regulator: qcom_rpm: Constify struct regulator_ops

These are never modified, so make them const to allow the compiler to
put them in read-only memory.

Before:
text data bss dec hex filename
17485 500 8 17993 4649 drivers/regulator/qcom_rpm-regulator.o

After:
text data bss dec hex filename
17881 104 8 17993 4649 drivers/regulator/qcom_rpm-regulator.o

Signed-off-by: Rikard Falkeborn <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/qcom_rpm-regulator.c

···
 	return ret;
 }
 
-static struct regulator_ops uV_ops = {
+static const struct regulator_ops uV_ops = {
 	.list_voltage = regulator_list_voltage_linear_range,
 
 	.set_voltage_sel = rpm_reg_set_uV_sel,
···
 	.set_load = rpm_reg_set_load,
 };
 
-static struct regulator_ops mV_ops = {
+static const struct regulator_ops mV_ops = {
 	.list_voltage = regulator_list_voltage_linear_range,
 
 	.set_voltage_sel = rpm_reg_set_mV_sel,
···
 	.set_load = rpm_reg_set_load,
 };
 
-static struct regulator_ops switch_ops = {
+static const struct regulator_ops switch_ops = {
 	.enable = rpm_reg_switch_enable,
 	.disable = rpm_reg_switch_disable,
 	.is_enabled = rpm_reg_is_enabled,