regulator: tps65023: Constify struct regmap_config and regulator_ops

The regmap_config struct may be const because it is not modified by
the driver and regmap_init() accepts pointer to const. Make struct
regulator_ops const as well.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 7380af8..b941e56 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -173,7 +173,7 @@
 }
 
 /* Operations permitted on VDCDCx */
-static struct regulator_ops tps65023_dcdc_ops = {
+static const struct regulator_ops tps65023_dcdc_ops = {
 	.is_enabled = regulator_is_enabled_regmap,
 	.enable = regulator_enable_regmap,
 	.disable = regulator_disable_regmap,
@@ -184,7 +184,7 @@
 };
 
 /* Operations permitted on LDOx */
-static struct regulator_ops tps65023_ldo_ops = {
+static const struct regulator_ops tps65023_ldo_ops = {
 	.is_enabled = regulator_is_enabled_regmap,
 	.enable = regulator_enable_regmap,
 	.disable = regulator_disable_regmap,
@@ -194,7 +194,7 @@
 	.map_voltage = regulator_map_voltage_ascend,
 };
 
-static struct regmap_config tps65023_regmap_config = {
+static const struct regmap_config tps65023_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 };