[PATCH] regulator: max77686-regulator: constify regulator_ops structure

Declare regulator_ops structure as const as it is only stored in the ops field of a regulator_desc structure. This field is of type const, so regulator_ops structures having this property can be made const too. File size before: drivers/regulator/max77686-regulator.o textdata bss

[PATCH] regulator: max77686-regulator: constify regulator_ops structure

Declare regulator_ops structure as const as it is only stored in the ops field of a regulator_desc structure. This field is of type const, so regulator_ops structures having this property can be made const too. File size before: drivers/regulator/max77686-regulator.o textdata bss