ASoC: max9867: Constify max9867_reg and max9867_regmap

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: anish kumar <yesanishhere@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/max9867.c b/sound/soc/codecs/max9867.c
index 70b5406..ab7a94d 100755
--- a/sound/soc/codecs/max9867.c
+++ b/sound/soc/codecs/max9867.c
@@ -436,7 +436,7 @@
 	}
 }
 
-static struct reg_default max9867_reg[] = {
+static const struct reg_default max9867_reg[] = {
 	{ 0x04, 0x00 },
 	{ 0x05, 0x00 },
 	{ 0x06, 0x00 },
@@ -459,7 +459,7 @@
 	{ 0x17, 0x00 },
 };
 
-static struct regmap_config max9867_regmap = {
+static const struct regmap_config max9867_regmap = {
 	.reg_bits	= 8,
 	.val_bits	= 8,
 	.max_register	= MAX9867_REVISION,