Input: mms114 - make of_device_id array const

Make of_device_id array const, because all OF functions handle it as const.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c
index 8a598c0..9d83413 100644
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@@ -570,7 +570,7 @@
 MODULE_DEVICE_TABLE(i2c, mms114_id);
 
 #ifdef CONFIG_OF
-static struct of_device_id mms114_dt_match[] = {
+static const struct of_device_id mms114_dt_match[] = {
 	{ .compatible = "melfas,mms114" },
 	{ }
 };