regulator: bd71837: Staticize ldo_2_volts

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/bd71837-regulator.c

@@ -195,7 +195,7 @@ static const struct regulator_linear_range bd71837_ldo1_voltage_ranges[] = {
  * LDO2
  * 0.8 or 0.9V
  */
-const unsigned int ldo_2_volts[] = {
+static const unsigned int ldo_2_volts[] = {
 	900000, 800000
 };