regulator: s5m8767: Constify s5m8767_opmode_reg

The s5m8767_opmode_reg should never change, make it const.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/s5m8767.c

@@ -115,7 +115,7 @@ static const struct sec_voltage_desc *reg_voltage_map[] = {
 	[S5M8767_BUCK9] = &buck_voltage_val3,
 };
 
-static unsigned int s5m8767_opmode_reg[][4] = {
+static const unsigned int s5m8767_opmode_reg[][4] = {
 	/* {OFF, ON, LOWPOWER, SUSPEND} */
 	/* LDO1 ... LDO28 */
 	{0x0, 0x3, 0x2, 0x1}, /* LDO1 */