ARM: dts: Add HDMI HPD and regulator node for Arndale board

Added HDMI hot plug and regulator nodes to Arndale DT file.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

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

@@ -422,6 +422,13 @@ wakeup {
 		};
 	};
 
+	hdmi {
+		hpd-gpio = <&gpx3 7 2>;
+		vdd_osc-supply = <&ldo10_reg>;
+		vdd_pll-supply = <&ldo8_reg>;
+		vdd-supply = <&ldo8_reg>;
+	};
+
 	mmc_reg: voltage-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "VDD_33ON_2.8V";
@@ -431,6 +438,11 @@ mmc_reg: voltage-regulator {
 		enable-active-high;
 	};
 
+	reg_hdmi_en: fixedregulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "hdmi-en";
+	};
+
 	fixed-rate-clocks {
 		xxti {
 			compatible = "samsung,clock-xxti";