Convert CONFIG_ENV_IS_IN_EEPROM to Kconfig

This converts the following to Kconfig:
   CONFIG_ENV_IS_IN_EEPROM

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/README b/README
index f37765e..01bdd34 100644
--- a/README
+++ b/README
@@ -3422,66 +3422,6 @@
 keep settings there always unmodified except somebody uses "saveenv"
 to save the current settings.
 
-
-- CONFIG_ENV_IS_IN_EEPROM:
-
-	Use this if you have an EEPROM or similar serial access
-	device and a driver for it.
-
-	- CONFIG_ENV_OFFSET:
-	- CONFIG_ENV_SIZE:
-
-	  These two #defines specify the offset and size of the
-	  environment area within the total memory of your EEPROM.
-
-	- CONFIG_SYS_I2C_EEPROM_ADDR:
-	  If defined, specified the chip address of the EEPROM device.
-	  The default address is zero.
-
-	- CONFIG_SYS_I2C_EEPROM_BUS:
-	  If defined, specified the i2c bus of the EEPROM device.
-
-	- CONFIG_SYS_EEPROM_PAGE_WRITE_BITS:
-	  If defined, the number of bits used to address bytes in a
-	  single page in the EEPROM device.  A 64 byte page, for example
-	  would require six bits.
-
-	- CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS:
-	  If defined, the number of milliseconds to delay between
-	  page writes.	The default is zero milliseconds.
-
-	- CONFIG_SYS_I2C_EEPROM_ADDR_LEN:
-	  The length in bytes of the EEPROM memory array address.  Note
-	  that this is NOT the chip address length!
-
-	- CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW:
-	  EEPROM chips that implement "address overflow" are ones
-	  like Catalyst 24WC04/08/16 which has 9/10/11 bits of
-	  address and the extra bits end up in the "chip address" bit
-	  slots. This makes a 24WC08 (1Kbyte) chip look like four 256
-	  byte chips.
-
-	  Note that we consider the length of the address field to
-	  still be one byte because the extra address bits are hidden
-	  in the chip address.
-
-	- CONFIG_SYS_EEPROM_SIZE:
-	  The size in bytes of the EEPROM device.
-
-	- CONFIG_ENV_EEPROM_IS_ON_I2C
-	  define this, if you have I2C and SPI activated, and your
-	  EEPROM, which holds the environment, is on the I2C bus.
-
-	- CONFIG_I2C_ENV_EEPROM_BUS
-	  if you have an Environment on an EEPROM reached over
-	  I2C muxes, you can define here, how to reach this
-	  EEPROM. For example:
-
-	  #define CONFIG_I2C_ENV_EEPROM_BUS	  1
-
-	  EEPROM which holds the environment, is reached over
-	  a pca9547 i2c mux with address 0x70, channel 3.
-
 - CONFIG_ENV_IS_IN_DATAFLASH:
 
 	Define this if you have a DataFlash memory device which you
diff --git a/common/Kconfig b/common/Kconfig
index 2f86e7c..4d8ef66 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -176,6 +176,67 @@
 
 menu "Environment"
 
+config ENV_IS_IN_EEPROM
+	bool "Environment in EEPROM"
+	depends on !CHAIN_OF_TRUST
+	help
+	  Use this if you have an EEPROM or similar serial access
+	  device and a driver for it.
+
+	  - CONFIG_ENV_OFFSET:
+	  - CONFIG_ENV_SIZE:
+
+	  These two #defines specify the offset and size of the
+	  environment area within the total memory of your EEPROM.
+
+	  - CONFIG_SYS_I2C_EEPROM_ADDR:
+	  If defined, specified the chip address of the EEPROM device.
+	  The default address is zero.
+
+	  - CONFIG_SYS_I2C_EEPROM_BUS:
+	  If defined, specified the i2c bus of the EEPROM device.
+
+	  - CONFIG_SYS_EEPROM_PAGE_WRITE_BITS:
+	  If defined, the number of bits used to address bytes in a
+	  single page in the EEPROM device.  A 64 byte page, for example
+	  would require six bits.
+
+	  - CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS:
+	  If defined, the number of milliseconds to delay between
+	  page writes.	The default is zero milliseconds.
+
+	  - CONFIG_SYS_I2C_EEPROM_ADDR_LEN:
+	  The length in bytes of the EEPROM memory array address.  Note
+	  that this is NOT the chip address length!
+
+	  - CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW:
+	  EEPROM chips that implement "address overflow" are ones
+	  like Catalyst 24WC04/08/16 which has 9/10/11 bits of
+	  address and the extra bits end up in the "chip address" bit
+	  slots. This makes a 24WC08 (1Kbyte) chip look like four 256
+	  byte chips.
+
+	  Note that we consider the length of the address field to
+	  still be one byte because the extra address bits are hidden
+	  in the chip address.
+
+	  - CONFIG_SYS_EEPROM_SIZE:
+	  The size in bytes of the EEPROM device.
+
+	  - CONFIG_ENV_EEPROM_IS_ON_I2C
+	  define this, if you have I2C and SPI activated, and your
+	  EEPROM, which holds the environment, is on the I2C bus.
+
+	  - CONFIG_I2C_ENV_EEPROM_BUS
+	  if you have an Environment on an EEPROM reached over
+	  I2C muxes, you can define here, how to reach this
+	  EEPROM. For example:
+
+	  #define CONFIG_I2C_ENV_EEPROM_BUS	  1
+
+	  EEPROM which holds the environment, is reached over
+	  a pca9547 i2c mux with address 0x70, channel 3.
+
 config ENV_IS_IN_FLASH
 	bool "Environment in flash memory"
 	depends on !CHAIN_OF_TRUST
diff --git a/configs/imx31_phycore_defconfig b/configs/imx31_phycore_defconfig
index 224bedb..a710e06 100644
--- a/configs/imx31_phycore_defconfig
+++ b/configs/imx31_phycore_defconfig
@@ -1,5 +1,6 @@
 CONFIG_ARM=y
 CONFIG_TARGET_IMX31_PHYCORE=y
+CONFIG_ENV_IS_IN_EEPROM=y
 CONFIG_BOOTDELAY=3
 CONFIG_SYS_PROMPT="uboot> "
 CONFIG_CMD_EEPROM=y
diff --git a/configs/imx31_phycore_eet_defconfig b/configs/imx31_phycore_eet_defconfig
index c881b8f..4bc558b 100644
--- a/configs/imx31_phycore_eet_defconfig
+++ b/configs/imx31_phycore_eet_defconfig
@@ -1,6 +1,7 @@
 CONFIG_ARM=y
 CONFIG_TARGET_IMX31_PHYCORE_EET=y
 CONFIG_VIDEO=y
+CONFIG_ENV_IS_IN_EEPROM=y
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
diff --git a/configs/km_kirkwood_128m16_defconfig b/configs/km_kirkwood_128m16_defconfig
index 174b349..e3b52b0 100644
--- a/configs/km_kirkwood_128m16_defconfig
+++ b/configs/km_kirkwood_128m16_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_KM_KIRKWOOD=y
 CONFIG_IDENT_STRING="\nKeymile Kirkwood 128M16"
 CONFIG_SYS_EXTRA_OPTIONS="KM_KIRKWOOD_128M16"
+CONFIG_ENV_IS_IN_EEPROM=y
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
diff --git a/configs/km_kirkwood_defconfig b/configs/km_kirkwood_defconfig
index fccd1e6..c7d7422 100644
--- a/configs/km_kirkwood_defconfig
+++ b/configs/km_kirkwood_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_KM_KIRKWOOD=y
 CONFIG_IDENT_STRING="\nKeymile Kirkwood"
 CONFIG_SYS_EXTRA_OPTIONS="KM_KIRKWOOD"
+CONFIG_ENV_IS_IN_EEPROM=y
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
diff --git a/configs/km_kirkwood_pci_defconfig b/configs/km_kirkwood_pci_defconfig
index 18455b4..080d649 100644
--- a/configs/km_kirkwood_pci_defconfig
+++ b/configs/km_kirkwood_pci_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_KM_KIRKWOOD=y
 CONFIG_IDENT_STRING="\nKeymile Kirkwood PCI"
 CONFIG_SYS_EXTRA_OPTIONS="KM_KIRKWOOD_PCI"
+CONFIG_ENV_IS_IN_EEPROM=y
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
diff --git a/configs/mgcoge3un_defconfig b/configs/mgcoge3un_defconfig
index 370a01f..669f9dd 100644
--- a/configs/mgcoge3un_defconfig
+++ b/configs/mgcoge3un_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_KM_KIRKWOOD=y
 CONFIG_IDENT_STRING="\nKeymile COGE3UN"
 CONFIG_SYS_EXTRA_OPTIONS="KM_MGCOGE3UN"
+CONFIG_ENV_IS_IN_EEPROM=y
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
diff --git a/configs/portl2_defconfig b/configs/portl2_defconfig
index d4172df..e98ac23 100644
--- a/configs/portl2_defconfig
+++ b/configs/portl2_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_KM_KIRKWOOD=y
 CONFIG_IDENT_STRING="\nKeymile Port-L2"
 CONFIG_SYS_EXTRA_OPTIONS="KM_PORTL2"
+CONFIG_ENV_IS_IN_EEPROM=y
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
diff --git a/include/config_fsl_chain_trust.h b/include/config_fsl_chain_trust.h
index 6b6ae7c..195419b 100644
--- a/include/config_fsl_chain_trust.h
+++ b/include/config_fsl_chain_trust.h
@@ -13,7 +13,6 @@
  */
 #ifdef CONFIG_SECURE_BOOT
 
-#undef CONFIG_ENV_IS_IN_EEPROM
 #undef CONFIG_ENV_IS_IN_SPI_FLASH
 
 #endif
diff --git a/include/configs/imx31_phycore.h b/include/configs/imx31_phycore.h
index aa56989..0a8501bd 100644
--- a/include/configs/imx31_phycore.h
+++ b/include/configs/imx31_phycore.h
@@ -135,7 +135,6 @@
 /* Monitor at beginning of flash */
 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
 
-#define CONFIG_ENV_IS_IN_EEPROM
 #define CONFIG_ENV_OFFSET			0x00	/* env. starts here */
 #define CONFIG_ENV_SIZE				4096
 #define CONFIG_SYS_I2C_EEPROM_ADDR		0x52
diff --git a/include/configs/km/km_arm.h b/include/configs/km/km_arm.h
index 02e8a97..7ca0771 100644
--- a/include/configs/km/km_arm.h
+++ b/include/configs/km/km_arm.h
@@ -212,7 +212,6 @@
 					CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_TOTAL_SIZE		0x20000     /* no bracets! */
 #else
-#define CONFIG_ENV_IS_IN_EEPROM		/* use EEPROM for environment vars */
 #define CONFIG_SYS_DEF_EEPROM_ADDR	0x50
 #define CONFIG_ENV_EEPROM_IS_ON_I2C
 #define CONFIG_SYS_EEPROM_WREN
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index e4d434b..91e5f89 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -634,7 +634,6 @@
 CONFIG_ENV_IS_EMBEDDED
 CONFIG_ENV_IS_IN_
 CONFIG_ENV_IS_IN_DATAFLASH
-CONFIG_ENV_IS_IN_EEPROM
 CONFIG_ENV_IS_IN_FAT
 CONFIG_ENV_IS_IN_ONENAND
 CONFIG_ENV_IS_IN_REMOTE