regulator: rc5t583-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/rc5t583-regulator.o
text data bss dec hex filename
931 3824 0 4755 1293 regulator/rc5t583-regulator.o

File size after: drivers/regulator/rc5t583-regulator.o
text data bss dec hex filename
1187 3568 0 4755 1293 regulator/rc5t583-regulator.o

Signed-off-by: Bhumika Goyal <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/rc5t583-regulator.c

···
 	return DIV_ROUND_UP(curr_uV, reg->reg_info->enable_uv_per_us);
 }
 
-static struct regulator_ops rc5t583_ops = {
+static const struct regulator_ops rc5t583_ops = {
 	.is_enabled		= regulator_is_enabled_regmap,
 	.enable			= regulator_enable_regmap,
 	.disable		= regulator_disable_regmap,