twl-regulator: Fix reg_disable functionality for 4030 and 6030

This change makes sure all regulator group assignments are cleared on
disable call

Signed-off-by: Juha Keski-Saari <ext-juha.1.keski-saari@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

drivers/regulator/twl-regulator.c

@@ -163,9 +163,9 @@ static int twlreg_disable(struct regulator_dev *rdev)
 		return grp;
 
 	if (twl_class_is_4030())
-		grp &= ~P1_GRP_4030;
+		grp &= ~(P1_GRP_4030 | P2_GRP_4030 | P3_GRP_4030);
 	else
-		grp &= ~P1_GRP_6030;
+		grp &= ~(P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030);
 
 	return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp);
 }