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/exynos4.dtsi b/arch/arm/dts/exynos4.dtsi
index 53d39dc..2757aa2 100644
--- a/arch/arm/dts/exynos4.dtsi
+++ b/arch/arm/dts/exynos4.dtsi
@@ -28,31 +28,39 @@
 		reg = <0x10440000 0x1000>;
 	};
 
-	serial@13800000 {
+	gic: interrupt-controller@10490000 {
+		compatible = "arm,cortex-a9-gic";
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		cpu-offset = <0x4000>;
+		reg = <0x10490000 0x10000>, <0x10480000 0x10000>;
+	};
+
+	serial_0: serial@13800000 {
 		compatible = "samsung,exynos4210-uart";
 		reg = <0x13800000 0x3c>;
 		id = <0>;
 	};
 
-	serial@13810000 {
+	serail_1: serial@13810000 {
 		compatible = "samsung,exynos4210-uart";
 		reg = <0x13810000 0x3c>;
 		id = <1>;
 	};
 
-	serial@13820000 {
+	serial_2: serial@13820000 {
 		compatible = "samsung,exynos4210-uart";
 		reg = <0x13820000 0x3c>;
 		id = <2>;
 	};
 
-	serial@13830000 {
+	serial_3: serial@13830000 {
 		compatible = "samsung,exynos4210-uart";
 		reg = <0x13830000 0x3c>;
 		id = <3>;
 	};
 
-	serial@13840000 {
+	serial_4: serial@13840000 {
 		compatible = "samsung,exynos4210-uart";
 		reg = <0x13840000 0x3c>;
 		id = <4>;
@@ -63,6 +71,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x13860000 0x100>;
+		interrupt-parent = <&gic>;
 		interrupts = <0 56 0>;
 	};
 
@@ -71,6 +80,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x13870000 0x100>;
+		interrupt-parent = <&gic>;
 		interrupts = <1 57 0>;
 	};
 
@@ -79,6 +89,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x13880000 0x100>;
+		interrupt-parent = <&gic>;
 		interrupts = <2 58 0>;
 	};
 
@@ -87,6 +98,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x13890000 0x100>;
+		interrupt-parent = <&gic>;
 		interrupts = <3 59 0>;
 	};
 
@@ -95,6 +107,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x138a0000 0x100>;
+		interrupt-parent = <&gic>;
 		interrupts = <4 60 0>;
 	};
 
@@ -103,6 +116,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x138b0000 0x100>;
+		interrupt-parent = <&gic>;
 		interrupts = <5 61 0>;
 	};
 
@@ -111,6 +125,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x138c0000 0x100>;
+		interrupt-parent = <&gic>;
 		interrupts = <6 62 0>;
 	};
 
@@ -119,6 +134,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,s3c2440-i2c";
 		reg = <0x138d0000 0x100>;
+		interrupt-parent = <&gic>;
 		interrupts = <7 63 0>;
 	};
 
@@ -127,6 +143,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,exynos4412-sdhci";
 		reg = <0x12510000 0x1000>;
+		interrupt-parent = <&gic>;
 		interrupts = <0 75 0>;
 		status = "disabled";
 	};
@@ -136,6 +153,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,exynos4412-sdhci";
 		reg = <0x12520000 0x1000>;
+		interrupt-parent = <&gic>;
 		interrupts = <0 76 0>;
 		status = "disabled";
 	};
@@ -145,6 +163,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,exynos4412-sdhci";
 		reg = <0x12530000 0x1000>;
+		interrupt-parent = <&gic>;
 		interrupts = <0 77 0>;
 		status = "disabled";
 	};
@@ -154,6 +173,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,exynos4412-sdhci";
 		reg = <0x12540000 0x1000>;
+		interrupt-parent = <&gic>;
 		interrupts = <0 78 0>;
 		status = "disabled";
 	};
@@ -163,6 +183,7 @@
 		#size-cells = <0>;
 		compatible = "samsung,exynos4412-dw-mshc";
 		reg = <0x12550000 0x1000>;
+		interrupt-parent = <&gic>;
 		interrupts = <0 131 0>;
 		status = "disabled";
 	};