ARM: dts: add Exynos4 and Exynos5 clock controller nodes

Add clock controller nodes for EXYNOS4210, EXYNOS4x12, EXYNOS5250
and EXYNOS5440 SoCs.

Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 4fe76bf..0fcabd7 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -56,6 +56,12 @@
 		reg = <0x10044040 0x20>;
 	};
 
+	clock: clock-controller@0x10010000 {
+		compatible = "samsung,exynos5250-clock";
+		reg = <0x10010000 0x30000>;
+		#clock-cells = <1>;
+	};
+
 	gic:interrupt-controller@10481000 {
 		compatible = "arm,cortex-a9-gic";
 		#interrupt-cells = <3>;