Convert CONFIG_SAMSUNG_ONENAND to Kconfig

This converts the following to Kconfig:
   CONFIG_SAMSUNG_ONENAND

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>

configs/s5p_goni_defconfig

@@ -50,6 +50,7 @@ CONFIG_DM_I2C_GPIO=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_S5P=y
 CONFIG_MTD=y
+CONFIG_SAMSUNG_ONENAND=y
 CONFIG_DM_PMIC=y
 CONFIG_DM_PMIC_MAX8998=y
 CONFIG_PWM_S5P=y

configs/s5pc210_universal_defconfig

@@ -49,6 +49,7 @@ CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 CONFIG_MMC_SDHCI_S5P=y
 CONFIG_MTD=y
+CONFIG_SAMSUNG_ONENAND=y
 CONFIG_DM_PMIC=y
 CONFIG_DM_PMIC_MAX8998=y
 CONFIG_SOFT_SPI=y

configs/smdkc100_defconfig

@@ -36,6 +36,7 @@ CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_ONENAND=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
+CONFIG_SAMSUNG_ONENAND=y
 CONFIG_SMC911X=y
 CONFIG_SMC911X_BASE=0x98800300
 CONFIG_PWM_S5P=y

drivers/mtd/Kconfig

@@ -168,6 +168,9 @@ config STM32_FLASH
 	 This is the driver of embedded flash for some STMicroelectronics
 	 STM32 MCU.
 
+config SAMSUNG_ONENAND
+	bool "Samsung OneNAND driver support"
+
 config USE_SYS_MAX_FLASH_BANKS
 	bool "Enable Max number of Flash memory banks"
 	help

include/configs/s5p_goni.h

@@ -127,7 +127,6 @@
 #define CONFIG_MMC_DEFAULT_DEV	0
 
 #define CONFIG_USE_ONENAND_BOARD_INIT
-#define CONFIG_SAMSUNG_ONENAND		1
 #define CONFIG_SYS_ONENAND_BASE		0xB0000000
 
 #define CONFIG_USB_GADGET_DWC2_OTG_PHY

include/configs/s5pc210_universal.h

@@ -88,7 +88,6 @@
 	"opts=always_resume=1"
 
 #define CONFIG_USE_ONENAND_BOARD_INIT
-#define CONFIG_SAMSUNG_ONENAND
 #define CONFIG_SYS_ONENAND_BASE		0x0C000000
 
 #define CONFIG_USB_GADGET_DWC2_OTG_PHY

include/configs/smdkc100.h

@@ -91,7 +91,6 @@
  */
 
 #define CONFIG_USE_ONENAND_BOARD_INIT
-#define CONFIG_SAMSUNG_ONENAND		1
 #define CONFIG_SYS_ONENAND_BASE		0xE7100000
 
 /*