ARM: dts: add vmmc regulator support for ODROID-X

This patch is to add vmmc regulator node at MSHC and SDHCI for ODROID-X
board file.
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4412-odroidx.dts

@@ -43,6 +43,7 @@ mshc@12550000 {
 		#size-cells = <0>;
 		pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>;
 		pinctrl-names = "default";
+		vmmc-supply = <&ldo20_reg &buck8_reg>;
 		status = "okay";
 
 		num-slots = <1>;
@@ -78,6 +79,7 @@ sdhci@12530000 {
 		bus-width = <4>;
 		pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 		pinctrl-names = "default";
+		vmmc-supply = <&ldo4_reg &ldo21_reg>;
 		status = "okay";
 	};