ARM: dts: Add vmmc regulator node in exynos4412-origen.dts

Added vmmc regulator node in exynos4412-origen.dts file.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

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

@@ -27,6 +27,15 @@ chosen {
 		bootargs ="console=ttySAC2,115200";
 	};
 
+	mmc_reg: voltage-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "VMEM_VDD_2.8V";
+		regulator-min-microvolt = <2800000>;
+		regulator-max-microvolt = <2800000>;
+		gpio = <&gpx1 1 0>;
+		enable-active-high;
+	};
+
 	serial@13800000 {
 		status = "okay";
 	};