ARM: EXYNOS: Add device tree node for EXYNOS4 interrupt combiner controller

Add node for EXYNOS4 interrupt combiner controller.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4210.dtsi

@@ -33,6 +33,17 @@ gic:interrupt-controller@10490000 {
 		reg = <0x10490000 0x1000>, <0x10480000 0x100>;
 	};
 
+	combiner:interrupt-controller@10440000 {
+		compatible = "samsung,exynos4210-combiner";
+		#interrupt-cells = <2>;
+		interrupt-controller;
+		reg = <0x10440000 0x1000>;
+		interrupts = <0 0 0>, <0 1 0>, <0 2 0>, <0 3 0>,
+			     <0 4 0>, <0 5 0>, <0 6 0>, <0 7 0>,
+			     <0 8 0>, <0 9 0>, <0 10 0>, <0 11 0>,
+			     <0 12 0>, <0 13 0>, <0 14 0>, <0 15 0>;
+	};
+
 	watchdog@10060000 {
 		compatible = "samsung,s3c2410-wdt";
 		reg = <0x10060000 0x100>;