ARM: dts: Update 5250 MFC node

The patch adds the MFC clock entry for the 5250 SoC.
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5250.dtsi

@@ -176,6 +176,8 @@ codec@11000000 {
 		reg = <0x11000000 0x10000>;
 		interrupts = <0 96 0>;
 		samsung,power-domain = <&pd_mfc>;
+		clocks = <&clock 266>;
+		clock-names = "mfc";
 	};
 
 	rtc {