mtd: lpddr: replace open-coded ARRAY_SIZE with macro

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/lpddr/qinfo_probe.c b/drivers/mtd/lpddr/qinfo_probe.c
index dbfe17b..45abed6 100644
--- a/drivers/mtd/lpddr/qinfo_probe.c
+++ b/drivers/mtd/lpddr/qinfo_probe.c
@@ -57,7 +57,7 @@
 
 static long lpddr_get_qinforec_pos(struct map_info *map, char *id_str)
 {
-	int qinfo_lines = sizeof(qinfo_array)/sizeof(struct qinfo_query_info);
+	int qinfo_lines = ARRAY_SIZE(qinfo_array);
 	int i;
 	int bankwidth = map_bankwidth(map) * 8;
 	int major, minor;