mtd: cfi_flash: Use ARRAY_SIZE at appropriate places

Signed-off-by: Axel Lin <axel.lin@ingics.com>
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 25f8752..25a5710 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -1797,7 +1797,7 @@
 			};
 			int i;
 
-			for (i = 0; i < sizeof(modes) / sizeof(modes[0]); i++) {
+			for (i = 0; i < ARRAY_SIZE(modes); i++) {
 				info->vendor = modes[i];
 				info->start[0] =
 					(ulong)map_physmem(base,
@@ -1883,8 +1883,7 @@
 	/* Issue FLASH reset command */
 	flash_cmd_reset(info);
 
-	for (cfi_offset=0;
-	     cfi_offset < sizeof(flash_offset_cfi) / sizeof(uint);
+	for (cfi_offset = 0; cfi_offset < ARRAY_SIZE(flash_offset_cfi);
 	     cfi_offset++) {
 		flash_write_cmd (info, 0, flash_offset_cfi[cfi_offset],
 				 FLASH_CMD_CFI);
@@ -2336,7 +2335,7 @@
 #endif
 
 #if defined(CONFIG_SYS_FLASH_AUTOPROTECT_LIST)
-	for (i = 0; i < (sizeof(apl) / sizeof(struct apl_s)); i++) {
+	for (i = 0; i < ARRAY_SIZE(apl); i++) {
 		debug("autoprotecting from %08lx to %08lx\n",
 		      apl[i].start, apl[i].start + apl[i].size - 1);
 		flash_protect(FLAG_PROTECT_SET,