ARM: dts: Move display-timing information inside FIMD DT node for exynos5250

As the display-timing information is parsed by FIMD driver, it makes
sense to move the display-timing DT node inside FIMD DT node for exynos5250
Signed-off-by: NVikas Sajjan <vikas.sajjan@linaro.org>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5250-smdk5250.dts

@@ -262,6 +262,8 @@
 		pinctrl-0 = <&dp_hpd>;
 	};
 
+	fimd@14400000 {
+		status = "okay";
 		display-timings {
 			native-mode = <&timing0>;
 			timing0: timing@0 {
@@ -277,6 +279,7 @@
 				vsync-len = <4>;
 			};
 		};
+	};
 
 	fixed-rate-clocks {
 		xxti {