mx31ads: Allow enable/disable of switchable supplies

They will be automatically powered off at startup so users will
need to enable them for use.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx3/mx31ads.c

@@ -302,6 +302,7 @@ static struct regulator_init_data ldo1_data = {
 		.min_uV = 2800000,
 		.max_uV = 2800000,
 		.valid_modes_mask = REGULATOR_MODE_NORMAL,
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
 		.apply_uV = 1,
 	},
 };
@@ -318,6 +319,7 @@ static struct regulator_init_data ldo2_data = {
 		.min_uV = 3300000,
 		.max_uV = 3300000,
 		.valid_modes_mask = REGULATOR_MODE_NORMAL,
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
 		.apply_uV = 1,
 	},
 	.num_consumer_supplies = ARRAY_SIZE(ldo2_consumers),