Convert CONFIG_SYS_NAND_DRIVER_ECC_LAYOUT to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_NAND_DRIVER_ECC_LAYOUT

In order to do this conversion, expose this option to the user and
use "save" not "safe" in the text.

Signed-off-by: Tom Rini <trini@konsulko.com>

configs/corvus_defconfig

@@ -61,6 +61,7 @@ CONFIG_AT91_GPIO=y
 # CONFIG_MMC is not set
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y
+CONFIG_SYS_NAND_DRIVER_ECC_LAYOUT=y
 # CONFIG_SYS_NAND_USE_FLASH_BBT is not set
 CONFIG_NAND_ATMEL=y
 CONFIG_SYS_NAND_BLOCK_SIZE=0x20000

configs/pm9g45_defconfig

@@ -47,6 +47,7 @@ CONFIG_CLK_AT91=y
 CONFIG_AT91_GPIO=y
 CONFIG_GENERIC_ATMEL_MCI=y
 CONFIG_MTD=y
+CONFIG_SYS_NAND_DRIVER_ECC_LAYOUT=y
 # CONFIG_SYS_NAND_USE_FLASH_BBT is not set
 CONFIG_NAND_ATMEL=y
 CONFIG_DM_ETH=y

drivers/mtd/nand/raw/Kconfig

@@ -10,9 +10,9 @@ config SYS_NAND_SELF_INIT
 	  NAND initialization process.
 
 config SYS_NAND_DRIVER_ECC_LAYOUT
-	bool
+	bool "Omit standard ECC layouts to save space"
 	help
-	  Omit standard ECC layouts to safe space. Select this if your driver
+	  Omit standard ECC layouts to save space. Select this if your driver
 	  is known to provide its own ECC layout.
 
 config SYS_NAND_USE_FLASH_BBT

include/configs/corvus.h

@@ -66,7 +66,6 @@
 #define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PC8
-#define CONFIG_SYS_NAND_DRIVER_ECC_LAYOUT
 #endif
 
 /* Ethernet */

include/configs/pm9g45.h

@@ -45,7 +45,6 @@
 #define CONFIG_SYS_NAND_MASK_CLE		BIT(22)
 #define CONFIG_SYS_NAND_ENABLE_PIN		AT91_PIN_PC14
 #define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PD3
-#define CONFIG_SYS_NAND_DRIVER_ECC_LAYOUT
 #endif
 
 /* Ethernet */