ARM: ux500: Enable GPIO regulator for SD-card for snowball

Fixes: c94a4ab7af ("ARM: ux500: Disable the MMCI gpio-regulator by default")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/ste-snowball.dts

@@ -161,8 +161,6 @@
 
 			states = <1800000 0x1
 				  2900000 0x0>;
-
-			status = "disabled";
 		};
 
 		// External Micro SD slot