ARM: dts: add missing pinctrls for I2C of exynos4

This patch adds missing pinctrls for I2C controllers 2-7.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4.dtsi

@@ -371,6 +371,8 @@ i2c_2: i2c@13880000 {
 		interrupts = <0 60 0>;
 		clocks = <&clock CLK_I2C2>;
 		clock-names = "i2c";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c2_bus>;
 		status = "disabled";
 	};
 
@@ -382,6 +384,8 @@ i2c_3: i2c@13890000 {
 		interrupts = <0 61 0>;
 		clocks = <&clock CLK_I2C3>;
 		clock-names = "i2c";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c3_bus>;
 		status = "disabled";
 	};
 
@@ -393,6 +397,8 @@ i2c_4: i2c@138A0000 {
 		interrupts = <0 62 0>;
 		clocks = <&clock CLK_I2C4>;
 		clock-names = "i2c";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c4_bus>;
 		status = "disabled";
 	};
 
@@ -404,6 +410,8 @@ i2c_5: i2c@138B0000 {
 		interrupts = <0 63 0>;
 		clocks = <&clock CLK_I2C5>;
 		clock-names = "i2c";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c5_bus>;
 		status = "disabled";
 	};
 
@@ -415,6 +423,8 @@ i2c_6: i2c@138C0000 {
 		interrupts = <0 64 0>;
 		clocks = <&clock CLK_I2C6>;
 		clock-names = "i2c";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c6_bus>;
 		status = "disabled";
 	};
 
@@ -426,6 +436,8 @@ i2c_7: i2c@138D0000 {
 		interrupts = <0 65 0>;
 		clocks = <&clock CLK_I2C7>;
 		clock-names = "i2c";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c7_bus>;
 		status = "disabled";
 	};