regulator: max77802: Make regulator_desc array const

The regulator_register() expects array of 'regulator_desc' to be const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/regulator/max77802.c b/drivers/regulator/max77802.c
index 7718c8a..0464afa 100644
--- a/drivers/regulator/max77802.c
+++ b/drivers/regulator/max77802.c
@@ -472,7 +472,7 @@
 	.enable_mask	= MAX77802_OPMODE_MASK,				\
 }
 
-static struct regulator_desc regulators[] = {
+static const struct regulator_desc regulators[] = {
 	regulator_77802_desc_16_buck(1),
 	regulator_77802_desc_234_buck(2),
 	regulator_77802_desc_234_buck(3),