ARM: pxa/hx4700: bq24022 regulator needs to be enabled

Add REGULATOR_CHANGE_STATUS flag to hx4700 bq24022 regulator. Without this
flag the bq24022 cannot be enabled and the battery will not charge.

Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Cc: Philipp Zabel <philipp.zabel@gmail.com>
Tested-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index 6de0ad0..9cdcca5 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -711,7 +711,7 @@
 static struct regulator_init_data bq24022_init_data = {
 	.constraints = {
 		.max_uA         = 500000,
-		.valid_ops_mask = REGULATOR_CHANGE_CURRENT,
+		.valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
 	},
 	.num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
 	.consumer_supplies      = bq24022_consumers,