Convert CONFIG_EFLASH_PROTSECTORS to Kconfig

This converts the following to Kconfig:
   CONFIG_EFLASH_PROTSECTORS

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-at91/arm926ejs/eflash.c b/arch/arm/mach-at91/arm926ejs/eflash.c
index 23c2493..043f06a 100644
--- a/arch/arm/mach-at91/arm926ejs/eflash.c
+++ b/arch/arm/mach-at91/arm926ejs/eflash.c
@@ -120,7 +120,7 @@
 		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 @@
 
 	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",