ARM: dts: add clock provider for mshc node for Exynos4412 SOC

Clock lookup information is required as driver can manipulate
clock rate properly.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos4412.dtsi

@@ -67,5 +67,7 @@ mshc@12550000 {
 		interrupts = <0 77 0>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		clocks = <&clock 301>, <&clock 149>;
+		clock-name = "biu", "ciu";
 	};
 };