Convert CONFIG_ENV_IS_IN_DATAFLASH to Kconfig

This converts the following to Kconfig:
   CONFIG_ENV_IS_IN_DATAFLASH

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/README b/README
index 01bdd34..b0a1b26 100644
--- a/README
+++ b/README
@@ -3422,19 +3422,6 @@
 keep settings there always unmodified except somebody uses "saveenv"
 to save the current settings.
 
-- CONFIG_ENV_IS_IN_DATAFLASH:
-
-	Define this if you have a DataFlash memory device which you
-	want to use for the environment.
-
-	- CONFIG_ENV_OFFSET:
-	- CONFIG_ENV_ADDR:
-	- CONFIG_ENV_SIZE:
-
-	  These three #defines specify the offset and size of the
-	  environment area within the total memory of your DataFlash placed
-	  at the specified address.
-
 - CONFIG_ENV_IS_IN_SPI_FLASH:
 
 	Define this if you have a SPI Flash memory device which you
diff --git a/common/Kconfig b/common/Kconfig
index 4d8ef66..77ad47b 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -176,6 +176,21 @@
 
 menu "Environment"
 
+config ENV_IS_IN_DATAFLASH
+	bool "Environment in dataflash"
+	depends on !CHAIN_OF_TRUST
+	help
+	  Define this if you have a DataFlash memory device which you
+	  want to use for the environment.
+
+	  - CONFIG_ENV_OFFSET:
+	  - CONFIG_ENV_ADDR:
+	  - CONFIG_ENV_SIZE:
+
+	  These three #defines specify the offset and size of the
+	  environment area within the total memory of your DataFlash placed
+	  at the specified address.
+
 config ENV_IS_IN_EEPROM
 	bool "Environment in EEPROM"
 	depends on !CHAIN_OF_TRUST
diff --git a/configs/at91sam9260ek_dataflash_cs0_defconfig b/configs/at91sam9260ek_dataflash_cs0_defconfig
index 7c43c50..d0aff37 100644
--- a/configs/at91sam9260ek_dataflash_cs0_defconfig
+++ b/configs/at91sam9260ek_dataflash_cs0_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9260,SYS_USE_DATAFLASH_CS0"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
diff --git a/configs/at91sam9260ek_dataflash_cs1_defconfig b/configs/at91sam9260ek_dataflash_cs1_defconfig
index 1f959ea..1aa7c17 100644
--- a/configs/at91sam9260ek_dataflash_cs1_defconfig
+++ b/configs/at91sam9260ek_dataflash_cs1_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9260,SYS_USE_DATAFLASH_CS1"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
diff --git a/configs/at91sam9261ek_dataflash_cs0_defconfig b/configs/at91sam9261ek_dataflash_cs0_defconfig
index 15adf43..a044dd0 100644
--- a/configs/at91sam9261ek_dataflash_cs0_defconfig
+++ b/configs/at91sam9261ek_dataflash_cs0_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9261EK=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9261,SYS_USE_DATAFLASH_CS0"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
diff --git a/configs/at91sam9261ek_dataflash_cs3_defconfig b/configs/at91sam9261ek_dataflash_cs3_defconfig
index 05113b9..19a7333 100644
--- a/configs/at91sam9261ek_dataflash_cs3_defconfig
+++ b/configs/at91sam9261ek_dataflash_cs3_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9261EK=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9261,SYS_USE_DATAFLASH_CS3"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
diff --git a/configs/at91sam9263ek_dataflash_cs0_defconfig b/configs/at91sam9263ek_dataflash_cs0_defconfig
index d1074fa..b5cf909 100644
--- a/configs/at91sam9263ek_dataflash_cs0_defconfig
+++ b/configs/at91sam9263ek_dataflash_cs0_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9263ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9263,SYS_USE_DATAFLASH"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
diff --git a/configs/at91sam9263ek_dataflash_defconfig b/configs/at91sam9263ek_dataflash_defconfig
index d1074fa..b5cf909 100644
--- a/configs/at91sam9263ek_dataflash_defconfig
+++ b/configs/at91sam9263ek_dataflash_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9263ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9263,SYS_USE_DATAFLASH"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
diff --git a/configs/at91sam9g10ek_dataflash_cs0_defconfig b/configs/at91sam9g10ek_dataflash_cs0_defconfig
index 70e526a..8b6edd9 100644
--- a/configs/at91sam9g10ek_dataflash_cs0_defconfig
+++ b/configs/at91sam9g10ek_dataflash_cs0_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9261EK=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G10,SYS_USE_DATAFLASH_CS0"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
diff --git a/configs/at91sam9g10ek_dataflash_cs3_defconfig b/configs/at91sam9g10ek_dataflash_cs3_defconfig
index 8da1bfe..1597d0e 100644
--- a/configs/at91sam9g10ek_dataflash_cs3_defconfig
+++ b/configs/at91sam9g10ek_dataflash_cs3_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_AT91SAM9261EK=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G10,SYS_USE_DATAFLASH_CS3"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
diff --git a/configs/at91sam9g20ek_dataflash_cs0_defconfig b/configs/at91sam9g20ek_dataflash_cs0_defconfig
index 3df66b6..c7192a7 100644
--- a/configs/at91sam9g20ek_dataflash_cs0_defconfig
+++ b/configs/at91sam9g20ek_dataflash_cs0_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9g20ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20,SYS_USE_DATAFLASH_CS0"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
diff --git a/configs/at91sam9g20ek_dataflash_cs1_defconfig b/configs/at91sam9g20ek_dataflash_cs1_defconfig
index f0a3a66..6ace30a 100644
--- a/configs/at91sam9g20ek_dataflash_cs1_defconfig
+++ b/configs/at91sam9g20ek_dataflash_cs1_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9g20ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9G20,SYS_USE_DATAFLASH_CS1"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
diff --git a/configs/at91sam9rlek_dataflash_defconfig b/configs/at91sam9rlek_dataflash_defconfig
index e2642b9..a104fba 100644
--- a/configs/at91sam9rlek_dataflash_defconfig
+++ b/configs/at91sam9rlek_dataflash_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9rlek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9RL,SYS_USE_DATAFLASH"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
diff --git a/configs/at91sam9xeek_dataflash_cs0_defconfig b/configs/at91sam9xeek_dataflash_cs0_defconfig
index 5405939..34e5681 100644
--- a/configs/at91sam9xeek_dataflash_cs0_defconfig
+++ b/configs/at91sam9xeek_dataflash_cs0_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9XE,SYS_USE_DATAFLASH_CS0"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
diff --git a/configs/at91sam9xeek_dataflash_cs1_defconfig b/configs/at91sam9xeek_dataflash_cs1_defconfig
index a057702..8a3500a 100644
--- a/configs/at91sam9xeek_dataflash_cs1_defconfig
+++ b/configs/at91sam9xeek_dataflash_cs1_defconfig
@@ -5,6 +5,7 @@
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9260ek"
 CONFIG_DEBUG_UART=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9XE,SYS_USE_DATAFLASH_CS1"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="U-Boot> "
diff --git a/configs/meesc_dataflash_defconfig b/configs/meesc_dataflash_defconfig
index de8a8cb..146838e 100644
--- a/configs/meesc_dataflash_defconfig
+++ b/configs/meesc_dataflash_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_MEESC=y
 CONFIG_FIT=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9263,SYS_USE_DATAFLASH"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_HUSH_PARSER=y
diff --git a/configs/usb_a9263_dataflash_defconfig b/configs/usb_a9263_dataflash_defconfig
index 7a8005b..edadef3 100644
--- a/configs/usb_a9263_dataflash_defconfig
+++ b/configs/usb_a9263_dataflash_defconfig
@@ -2,6 +2,7 @@
 CONFIG_ARCH_AT91=y
 CONFIG_TARGET_USB_A9263=y
 CONFIG_SYS_EXTRA_OPTIONS="AT91SAM9263,SYS_USE_DATAFLASH"
+CONFIG_ENV_IS_IN_DATAFLASH=y
 CONFIG_BOOTDELAY=3
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
diff --git a/include/configs/at91sam9260ek.h b/include/configs/at91sam9260ek.h
index 8b0105c..51b6fab 100644
--- a/include/configs/at91sam9260ek.h
+++ b/include/configs/at91sam9260ek.h
@@ -146,7 +146,6 @@
 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
-#define CONFIG_ENV_IS_IN_DATAFLASH	1
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
 #define CONFIG_ENV_OFFSET		0x4200
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
@@ -160,7 +159,6 @@
 #elif CONFIG_SYS_USE_DATAFLASH_CS1
 
 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
-#define CONFIG_ENV_IS_IN_DATAFLASH	1
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
 #define CONFIG_ENV_OFFSET		0x4200
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
diff --git a/include/configs/at91sam9261ek.h b/include/configs/at91sam9261ek.h
index d86f07b..4e151cd 100644
--- a/include/configs/at91sam9261ek.h
+++ b/include/configs/at91sam9261ek.h
@@ -139,7 +139,6 @@
 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
-#define CONFIG_ENV_IS_IN_DATAFLASH
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
 #define CONFIG_ENV_OFFSET	0x4200
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
@@ -153,7 +152,6 @@
 #elif CONFIG_SYS_USE_DATAFLASH_CS3
 
 /* bootstrap + u-boot + env + linux in dataflash on CS3 */
-#define CONFIG_ENV_IS_IN_DATAFLASH
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 + 0x8400)
 #define CONFIG_ENV_OFFSET	0x4200
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS3 + CONFIG_ENV_OFFSET)
diff --git a/include/configs/at91sam9263ek.h b/include/configs/at91sam9263ek.h
index 9effe9e..62099c7 100644
--- a/include/configs/at91sam9263ek.h
+++ b/include/configs/at91sam9263ek.h
@@ -249,7 +249,6 @@
 #ifdef CONFIG_SYS_USE_DATAFLASH
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
-#define CONFIG_ENV_IS_IN_DATAFLASH	1
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
 #define CONFIG_ENV_OFFSET		0x4200
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 05ba542..1d068f4 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -95,7 +95,6 @@
 #ifdef CONFIG_SYS_USE_DATAFLASH
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
-#define CONFIG_ENV_IS_IN_DATAFLASH	1
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
 #define CONFIG_ENV_OFFSET		0x4200
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
diff --git a/include/configs/meesc.h b/include/configs/meesc.h
index 3b7643f..63d3fdc 100644
--- a/include/configs/meesc.h
+++ b/include/configs/meesc.h
@@ -134,7 +134,6 @@
 #ifdef CONFIG_SYS_USE_DATAFLASH
 
 /* bootstrap + u-boot + env in dataflash on CS0 */
-# define CONFIG_ENV_IS_IN_DATAFLASH
 # define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
 					0x8400)
 # define CONFIG_ENV_OFFSET		0x4200
diff --git a/include/configs/pm9261.h b/include/configs/pm9261.h
index bae5736..f100a40 100644
--- a/include/configs/pm9261.h
+++ b/include/configs/pm9261.h
@@ -240,7 +240,6 @@
 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
-#define CONFIG_ENV_IS_IN_DATAFLASH	1
 #define CONFIG_SYS_MONITOR_BASE		\
 		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
 #define CONFIG_ENV_OFFSET	0x4200
diff --git a/include/configs/pm9263.h b/include/configs/pm9263.h
index 9ea4440..da0cd9d 100644
--- a/include/configs/pm9263.h
+++ b/include/configs/pm9263.h
@@ -268,7 +268,6 @@
 #ifdef CONFIG_SYS_USE_DATAFLASH
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
-#define CONFIG_ENV_IS_IN_DATAFLASH
 #define CFG_MONITOR_BASE	(CFG_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
 #define CONFIG_ENV_OFFSET	0x4200
 #define CONFIG_ENV_ADDR		(CFG_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
diff --git a/include/configs/usb_a9263.h b/include/configs/usb_a9263.h
index 57e2220..335ce4e 100644
--- a/include/configs/usb_a9263.h
+++ b/include/configs/usb_a9263.h
@@ -112,7 +112,6 @@
 #define CONFIG_SYS_MEMTEST_END			0x23e00000
 
 /* bootstrap + u-boot + env in dataflash on CS0 */
-#define CONFIG_ENV_IS_IN_DATAFLASH
 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x4000)
 #define CONFIG_ENV_OFFSET	0x2000
 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + \
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 91e5f89..4530924 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -633,7 +633,6 @@
 CONFIG_ENV_FLASHBOOT
 CONFIG_ENV_IS_EMBEDDED
 CONFIG_ENV_IS_IN_
-CONFIG_ENV_IS_IN_DATAFLASH
 CONFIG_ENV_IS_IN_FAT
 CONFIG_ENV_IS_IN_ONENAND
 CONFIG_ENV_IS_IN_REMOTE