ARM: dts: exynos3250: Add CMU node for DMC domain clocks

Add CMU (Clock Management Unit) node for DMC (Dynamic Memory Controller)
domain clocks on Exynos3250.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>

arch/arm/boot/dts/exynos3250.dtsi

@@ -163,6 +163,12 @@ cmu: clock-controller@10030000 {
 			#clock-cells = <1>;
 		};
 
+		cmu_dmc: clock-controller@105C0000 {
+			compatible = "samsung,exynos3250-cmu-dmc";
+			reg = <0x105C0000 0x2000>;
+			#clock-cells = <1>;
+		};
+
 		rtc: rtc@10070000 {
 			compatible = "samsung,s3c6410-rtc";
 			reg = <0x10070000 0x100>;