ARM: exynos: dts: Fixed vbus-gpios

The 'samsung,vbus-gpio' was submitted before pinmux landed for
exynos5250 and uses the old-style gpio specifier.  Fix the two
exynos5250 boards that use it.
Signed-off-by: NDoug Anderson <dianders@chromium.org>
Signed-off-by: NOlof Johansson <olof@lixom.net>

arch/arm/boot/dts/exynos5250-smdk5250.dts

@@ -214,7 +214,7 @@
 	};
 
 	usb@12110000 {
-		samsung,vbus-gpio = <&gpx2 6 1 3 3>;
+		samsung,vbus-gpio = <&gpx2 6 0>;
 	};
 
 	dp-controller {

arch/arm/boot/dts/exynos5250-snow.dts

@@ -183,7 +183,7 @@
 	};
 
 	usb@12110000 {
-		samsung,vbus-gpio = <&gpx1 1 1 3 3>;
+		samsung,vbus-gpio = <&gpx1 1 0>;
 	};
 
 	fixed-rate-clocks {