ASoC: sgtl5000: Fix warning due to the lack of REGULATOR_CHANGE_VOLTAGE

Fix the following warning during kernel boot:

0-000a: 850 <--> 1600 mV at 1200 mV normal
0-000a: Voltage range but no REGULATOR_CHANGE_VOLTAGE

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/sgtl5000.c

@@ -84,8 +84,8 @@ static struct regulator_consumer_supply ldo_consumer[] = {
 
 static struct regulator_init_data ldo_init_data = {
 	.constraints = {
-		.min_uV                 = 850000,
-		.max_uV                 = 1600000,
+		.min_uV                 = 1200000,
+		.max_uV                 = 1200000,
 		.valid_modes_mask       = REGULATOR_MODE_NORMAL,
 		.valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 	},