ARM: dts: exynos: Add G3D power domain to Exynos5250

Add support for G3D power domain, which contains ARM Mali-600MP
graphics accelerator device (not yet instantiated).
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos5250.dtsi

@@ -125,6 +125,13 @@ pd_mfc: power-domain@10044040 {
 			label = "MFC";
 		};
 
+		pd_g3d: power-domain@10044060 {
+			compatible = "samsung,exynos4210-pd";
+			reg = <0x10044060 0x20>;
+			#power-domain-cells = <0>;
+			label = "G3D";
+		};
+
 		pd_disp1: power-domain@100440A0 {
 			compatible = "samsung,exynos4210-pd";
 			reg = <0x100440A0 0x20>;