arm: dts: exynos4: fix the device-tree compile warning

After updating dtc-1.4.5 version, there are too many warning.
This patch is to fix about exynos4 series.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/dts/exynos4412.dtsi b/arch/arm/dts/exynos4412.dtsi
index 87b339c..4a72385 100644
--- a/arch/arm/dts/exynos4412.dtsi
+++ b/arch/arm/dts/exynos4412.dtsi
@@ -21,18 +21,14 @@
 
 / {
 	compatible = "samsung,exynos4412";
+};
 
-	gic: interrupt-controller@10490000 {
-		cpu-offset = <0x4000>;
-	};
-
-	interrupt-controller@10440000 {
-		samsung,combiner-nr = <20>;
-		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>,
-			     <0 107 0>, <0 108 0>, <0 48 0>, <0 42 0>;
-	};
-
+&combiner {
+	samsung,combiner-nr = <20>;
+	interrupt-parent = <&gic>;
+	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>,
+		     <0 107 0>, <0 108 0>, <0 48 0>, <0 42 0>;
 };