ARM: dts: Add FIMD DT node to exynos5420 DTS files

Adds FIMD DT node to exynos5420 based SMDK. Also adds display-timimg
information node.

Signed-off-by: Vikas Sajjan <vikas.sajjan@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5420-smdk5420.dts

@@ -30,4 +30,23 @@
 			clock-frequency = <24000000>;
 		};
 	};
+
+	fimd@14400000 {
+		status = "okay";
+		display-timings {
+			native-mode = <&timing0>;
+			timing0: timing@0 {
+				clock-frequency = <50000>;
+				hactive = <2560>;
+				vactive = <1600>;
+				hfront-porch = <48>;
+				hback-porch = <80>;
+				hsync-len = <32>;
+				vback-porch = <16>;
+				vfront-porch = <8>;
+				vsync-len = <6>;
+			};
+		};
+	};
+
 };

arch/arm/boot/dts/exynos5420.dtsi

@@ -180,4 +180,11 @@
 		clocks = <&clock 260>, <&clock 131>;
 		clock-names = "uart", "clk_uart_baud0";
 	};
+
+	fimd@14400000 {
+		samsung,power-domain = <&disp_pd>;
+		clocks = <&clock 147>, <&clock 421>;
+		clock-names = "sclk_fimd", "fimd";
+	};
+
 };