ARM: dts: exynos5: add the interrupt-parent property

Add the interrupt-parent property as gic.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

arch/arm/dts/exynos5.dtsi

@@ -10,6 +10,8 @@
 / {
 	compatible = "samsung,exynos5";
 
+	interrupt-parent = <&gic>;
+
 	combiner: interrupt-controller@10440000 {
 		compatible = "samsung,exynos4210-combiner";
 		#interrupt-cells = <2>;