EXYNOS5: Add device node for FIMD

Add DT node and bindings documentation for FIMD.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi
index 61d35a8..cfc9062 100644
--- a/arch/arm/dts/exynos5250.dtsi
+++ b/arch/arm/dts/exynos5250.dtsi
@@ -156,4 +156,10 @@
 		reg = <0x10060000 0x10000>;
 	};
 
+	fimd@14400000 {
+		compatible = "samsung,exynos-fimd";
+		reg = <0x14400000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
 };