Convert CONFIG_CMD_ONENAND to Kconfig

This converts the following to Kconfig:
   CONFIG_CMD_ONENAND

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index 4d89af4..0d967a7 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -718,6 +718,14 @@
 	  to 20MHz. It is useful since it reduces the amount of protocol code
 	  required.
 
+config CMD_ONENAND
+	bool "onenand - access to onenand device"
+	help
+	  OneNAND is a brand of NAND ('Not AND' gate) flash which provides
+	  various useful features. This command allows reading, writing,
+	  and erasing blocks. It allso provides a way to show and change
+	  bad blocks, and test the device.
+
 config CMD_PART
 	bool "part"
 	select PARTITION_UUIDS
diff --git a/configs/igep0020_defconfig b/configs/igep0020_defconfig
index 8ca5a84..2375f86 100644
--- a/configs/igep0020_defconfig
+++ b/configs/igep0020_defconfig
@@ -20,6 +20,7 @@
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
+CONFIG_CMD_ONENAND=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
diff --git a/configs/igep0030_defconfig b/configs/igep0030_defconfig
index 8af6dd5..03da201 100644
--- a/configs/igep0030_defconfig
+++ b/configs/igep0030_defconfig
@@ -20,6 +20,7 @@
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
+CONFIG_CMD_ONENAND=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
diff --git a/configs/igep0032_defconfig b/configs/igep0032_defconfig
index dd43330..fb8c925 100644
--- a/configs/igep0032_defconfig
+++ b/configs/igep0032_defconfig
@@ -19,6 +19,7 @@
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_MMC=y
 CONFIG_CMD_NAND=y
+CONFIG_CMD_ONENAND=y
 CONFIG_CMD_SPI=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_GPIO=y
diff --git a/configs/s5p_goni_defconfig b/configs/s5p_goni_defconfig
index 9c66a18..0045f5e 100644
--- a/configs/s5p_goni_defconfig
+++ b/configs/s5p_goni_defconfig
@@ -12,6 +12,7 @@
 # CONFIG_CMD_FLASH is not set
 CONFIG_CMD_GPT=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_ONENAND=y
 CONFIG_CMD_DFU=y
 CONFIG_CMD_USB_MASS_STORAGE=y
 # CONFIG_CMD_FPGA is not set
diff --git a/configs/smdkc100_defconfig b/configs/smdkc100_defconfig
index ef8510d..82ba51c 100644
--- a/configs/smdkc100_defconfig
+++ b/configs/smdkc100_defconfig
@@ -9,6 +9,7 @@
 CONFIG_SYS_PROMPT="SMDKC100 # "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_ONENAND=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_FAT=y
diff --git a/configs/vct_platinum_onenand_defconfig b/configs/vct_platinum_onenand_defconfig
index 4c1615c..4c242e8 100644
--- a/configs/vct_platinum_onenand_defconfig
+++ b/configs/vct_platinum_onenand_defconfig
@@ -9,6 +9,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_EEPROM=y
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_ONENAND=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
diff --git a/configs/vct_platinum_onenand_small_defconfig b/configs/vct_platinum_onenand_small_defconfig
index 20c0863..845833c 100644
--- a/configs/vct_platinum_onenand_small_defconfig
+++ b/configs/vct_platinum_onenand_small_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_LOADB is not set
 # CONFIG_CMD_LOADS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_ONENAND=y
 # CONFIG_CMD_ITEST is not set
 # CONFIG_CMD_SOURCE is not set
 # CONFIG_CMD_SETEXPR is not set
diff --git a/configs/vct_platinumavc_onenand_defconfig b/configs/vct_platinumavc_onenand_defconfig
index dfb8f04..2a72614 100644
--- a/configs/vct_platinumavc_onenand_defconfig
+++ b/configs/vct_platinumavc_onenand_defconfig
@@ -9,6 +9,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_EEPROM=y
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_ONENAND=y
 CONFIG_CMD_I2C=y
 # CONFIG_CMD_SETEXPR is not set
 # CONFIG_CMD_NET is not set
diff --git a/configs/vct_platinumavc_onenand_small_defconfig b/configs/vct_platinumavc_onenand_small_defconfig
index de7b500..e2f68eb 100644
--- a/configs/vct_platinumavc_onenand_small_defconfig
+++ b/configs/vct_platinumavc_onenand_small_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_LOADB is not set
 # CONFIG_CMD_LOADS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_ONENAND=y
 # CONFIG_CMD_ITEST is not set
 # CONFIG_CMD_SOURCE is not set
 # CONFIG_CMD_SETEXPR is not set
diff --git a/configs/vct_premium_onenand_defconfig b/configs/vct_premium_onenand_defconfig
index ba43e0e..39be742 100644
--- a/configs/vct_premium_onenand_defconfig
+++ b/configs/vct_premium_onenand_defconfig
@@ -9,6 +9,7 @@
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_EEPROM=y
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_ONENAND=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_USB=y
 # CONFIG_CMD_SETEXPR is not set
diff --git a/configs/vct_premium_onenand_small_defconfig b/configs/vct_premium_onenand_small_defconfig
index cc9998f..6e3a420a 100644
--- a/configs/vct_premium_onenand_small_defconfig
+++ b/configs/vct_premium_onenand_small_defconfig
@@ -15,6 +15,7 @@
 # CONFIG_CMD_LOADB is not set
 # CONFIG_CMD_LOADS is not set
 # CONFIG_CMD_FLASH is not set
+CONFIG_CMD_ONENAND=y
 # CONFIG_CMD_ITEST is not set
 # CONFIG_CMD_SOURCE is not set
 # CONFIG_CMD_SETEXPR is not set
diff --git a/include/config_cmd_all.h b/include/config_cmd_all.h
index b3c0d0e..c61951b 100644
--- a/include/config_cmd_all.h
+++ b/include/config_cmd_all.h
@@ -13,7 +13,6 @@
  * Alphabetical list of all possible commands.
  */
 
-#define CONFIG_CMD_ONENAND	/* OneNAND support		*/
 #define CONFIG_CMD_PCI		/* pciinfo			*/
 #define CONFIG_CMD_PCMCIA	/* PCMCIA support		*/
 #define CONFIG_CMD_PORTIO	/* Port I/O			*/
diff --git a/include/configs/exynos4-common.h b/include/configs/exynos4-common.h
index c995f35..9f0131a 100644
--- a/include/configs/exynos4-common.h
+++ b/include/configs/exynos4-common.h
@@ -20,8 +20,6 @@
 /* SD/MMC configuration */
 #define CONFIG_MMC_DEFAULT_DEV	0
 
-#undef CONFIG_CMD_ONENAND
-
 /* TIZEN THOR downloader support */
 #define CONFIG_CMD_THOR_DOWNLOAD
 #define CONFIG_USB_FUNCTION_THOR
diff --git a/include/configs/nokia_rx51.h b/include/configs/nokia_rx51.h
index a06aec1..6d58927 100644
--- a/include/configs/nokia_rx51.h
+++ b/include/configs/nokia_rx51.h
@@ -102,12 +102,6 @@
 #define CONFIG_CMDLINE_EDITING		/* add command line history */
 #define CONFIG_AUTO_COMPLETE		/* add autocompletion support */
 
-#ifdef ONENAND_SUPPORT
-
-#define CONFIG_CMD_ONENAND		/* ONENAND support */
-
-#endif
-
 #define CONFIG_OMAP3_SPI
 #define CONFIG_SYS_I2C
 #define CONFIG_SYS_OMAP24_I2C_SPEED	100000
diff --git a/include/configs/omap3_igep00x0.h b/include/configs/omap3_igep00x0.h
index 39f1e54..35d46dc 100644
--- a/include/configs/omap3_igep00x0.h
+++ b/include/configs/omap3_igep00x0.h
@@ -52,8 +52,6 @@
 #define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
 #define CONFIG_USBD_PRODUCT_NAME	"IGEP"
 
-#define CONFIG_CMD_ONENAND
-
 #ifndef CONFIG_SPL_BUILD
 
 /* Environment */
diff --git a/include/configs/s5p_goni.h b/include/configs/s5p_goni.h
index 9c00138..eb17580 100644
--- a/include/configs/s5p_goni.h
+++ b/include/configs/s5p_goni.h
@@ -51,8 +51,6 @@
 /* PWM */
 #define CONFIG_PWM			1
 
-#define CONFIG_CMD_ONENAND
-
 /* USB Composite download gadget - g_dnl */
 #define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_32M
 #define DFU_DEFAULT_POLL_TIMEOUT 300
diff --git a/include/configs/smdkc100.h b/include/configs/smdkc100.h
index 3e35754..58abac5 100644
--- a/include/configs/smdkc100.h
+++ b/include/configs/smdkc100.h
@@ -59,8 +59,6 @@
 /***********************************************************
  * Command definition
  ***********************************************************/
-#define CONFIG_CMD_ONENAND
-
 #define CONFIG_MTD_DEVICE
 #define CONFIG_MTD_PARTITIONS
 
diff --git a/include/configs/vct.h b/include/configs/vct.h
index 2cb4ab1..e3c3b0e 100644
--- a/include/configs/vct.h
+++ b/include/configs/vct.h
@@ -105,10 +105,6 @@
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET /* re-init HCD after CMD_RESET */
 #endif /* CONFIG_CMD_USB */
 
-#if defined(CONFIG_VCT_ONENAND)
-#define CONFIG_CMD_ONENAND
-#endif
-
 /*
  * BOOTP options
  */
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 90ed096..b2c0fef 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -293,7 +293,6 @@
 CONFIG_CMDLINE_EDITING
 CONFIG_CMDLINE_PS_SUPPORT
 CONFIG_CMDLINE_TAG
-CONFIG_CMD_ONENAND
 CONFIG_CMD_PCA953X
 CONFIG_CMD_PCA953X_INFO
 CONFIG_CMD_PCI