Convert CONFIG_EFLASH_PROTSECTORS to Kconfig

This converts the following to Kconfig:
   CONFIG_EFLASH_PROTSECTORS

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

arch/arm/mach-at91/Kconfig

@@ -327,6 +327,13 @@ config AT91_EFLASH
 	  Enable the driver for the embedded flash used in the Atmel
 	  AT91SAM9XE devices.
 
+config EFLASH_PROTSECTORS
+	int "Number of flash sectors to protect from erasing"
+	depends on AT91_EFLASH
+	help
+	  If non-zero, this will be the number of sectors of the flash to disallow
+	  U-Boot to ease, starting from the beginning of flash.
+
 config AT91_GPIO_PULLUP
 	bool "Keep pullups on peripheral pins"
 	depends on CPU_ARM926EJS

arch/arm/mach-at91/arm926ejs/eflash.c

@@ -120,7 +120,7 @@ unsigned long flash_init(void)
 		if (i%32 == 0)
 			tmp = readl(&eefc->frr);
 		flash_info[0].protect[i] = (tmp >> (i%32)) & 1;
-#if defined(CONFIG_EFLASH_PROTSECTORS)
+#if CONFIG_VAL(EFLASH_PROTSECTORS)
 		if (i < CONFIG_EFLASH_PROTSECTORS)
 			flash_info[0].protect[i] = 1;
 #endif
@@ -158,7 +158,7 @@ int flash_real_protect (flash_info_t *info, long sector, int prot)
 
 	debug("protect sector=%ld prot=%d\n", sector, prot);
 
-#if defined(CONFIG_EFLASH_PROTSECTORS)
+#if CONFIG_VAL(EFLASH_PROTSECTORS)
 	if (sector < CONFIG_EFLASH_PROTSECTORS) {
 		if (!prot) {
 			printf("eflash: sector %lu cannot be unprotected\n",

configs/ethernut5_defconfig

@@ -6,6 +6,7 @@ CONFIG_SYS_TEXT_BASE=0x27000000
 CONFIG_SYS_MALLOC_LEN=0x121000
 CONFIG_TARGET_ETHERNUT5=y
 CONFIG_AT91_EFLASH=y
+CONFIG_EFLASH_PROTSECTORS=1
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x21000
 CONFIG_ENV_OFFSET=0x3DE000

include/configs/ethernut5.h

@@ -32,7 +32,6 @@
 /* 512kB on-chip NOR flash */
 # define CONFIG_SYS_FLASH_BASE		0x00200000 /* AT91SAM9XE_FLASH_BASE */
 # define CONFIG_SYS_MAX_FLASH_SECT	32
-# define CONFIG_EFLASH_PROTSECTORS	1
 
 
 /* bootstrap + u-boot + env + linux in dataflash on CS0 */