Convert CONFIG_NORFLASH_PS32BIT to Kconfig

This converts the following to Kconfig:
   CONFIG_NORFLASH_PS32BIT

Note that we also attempt to correct the behavior of the code here,
which had been testing for "NORFLASH_PS32BIT" which would never be set,
instead check for the now set "CONFIG_NORFLASH_PS32BIT", which results
in some behavior change.

Cc: TsiChung Liew <Tsi-Chung.Liew@nxp.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/board/freescale/m5235evb/Kconfig b/board/freescale/m5235evb/Kconfig
index fc83419..f0d4c8c 100644
--- a/board/freescale/m5235evb/Kconfig
+++ b/board/freescale/m5235evb/Kconfig
@@ -12,4 +12,7 @@
 config SYS_CONFIG_NAME
 	default "M5235EVB"
 
+config NORFLASH_PS32BIT
+	bool "Board has 32bit CFI flash"
+
 endif
diff --git a/configs/M5235EVB_Flash32_defconfig b/configs/M5235EVB_Flash32_defconfig
index 8d43b45..f0077b6 100644
--- a/configs/M5235EVB_Flash32_defconfig
+++ b/configs/M5235EVB_Flash32_defconfig
@@ -5,9 +5,9 @@
 CONFIG_ENV_SECT_SIZE=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="M5235EVB_Flash32"
 CONFIG_TARGET_M5235EVB=y
+CONFIG_NORFLASH_PS32BIT=y
 CONFIG_MCFTMR=y
 CONFIG_SYS_LOAD_ADDR=0x20000
-CONFIG_SYS_EXTRA_OPTIONS="NORFLASH_PS32BIT"
 CONFIG_BOOTDELAY=1
 # CONFIG_DISPLAY_BOARDINFO is not set
 # CONFIG_CMDLINE_EDITING is not set
diff --git a/include/configs/M5235EVB.h b/include/configs/M5235EVB.h
index e2f3367..625fa01 100644
--- a/include/configs/M5235EVB.h
+++ b/include/configs/M5235EVB.h
@@ -105,7 +105,7 @@
  */
 #ifdef CONFIG_SYS_FLASH_CFI
 #	define CONFIG_SYS_FLASH_SIZE		0x800000	/* Max size that the board might have */
-#ifdef NORFLASH_PS32BIT
+#ifdef CONFIG_NORFLASH_PS32BIT
 #	define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_32BIT
 #else
 #	define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
@@ -152,7 +152,7 @@
  * CS6 - Available
  * CS7 - Available
  */
-#ifdef NORFLASH_PS32BIT
+#ifdef CONFIG_NORFLASH_PS32BIT
 #	define CONFIG_SYS_CS0_BASE	0xFFC00000
 #	define CONFIG_SYS_CS0_MASK	0x003f0001
 #	define CONFIG_SYS_CS0_CTRL	0x00001D00