regulator: tps65217: Constify regulator_ops

These regulator_ops variables never need to be modified, make them const so
compiler can put them to .rodata.

Signed-off-by: Axel Lin <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/tps65217-regulator.c

···
 }
 
 /* Operations permitted on DCDCx, LDO2, LDO3 and LDO4 */
-static struct regulator_ops tps65217_pmic_ops = {
+static const struct regulator_ops tps65217_pmic_ops = {
 	.is_enabled		= regulator_is_enabled_regmap,
 	.enable			= tps65217_pmic_enable,
 	.disable		= tps65217_pmic_disable,
···
 };
 
 /* Operations permitted on LDO1 */
-static struct regulator_ops tps65217_pmic_ldo1_ops = {
+static const struct regulator_ops tps65217_pmic_ldo1_ops = {
 	.is_enabled		= regulator_is_enabled_regmap,
 	.enable			= tps65217_pmic_enable,
 	.disable		= tps65217_pmic_disable,