ARM: dts: exynos: Enable CLKOUT on Exynos5410

The CLKOUT (which control is provided by PMU) is necessary for some of
the drivers using this as a clock, e.g. usb3503 USB HUB on Odroid XU
board.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

arch/arm/boot/dts/exynos5410.dtsi

@@ -116,6 +116,9 @@ sromc: memory-controller@12250000 {
 		pmu_system_controller: system-controller@10040000 {
 			compatible = "samsung,exynos5410-pmu", "syscon";
 			reg = <0x10040000 0x5000>;
+			clock-names = "clkout16";
+			clocks = <&fin_pll>;
+			#clock-cells = <1>;
 		};
 
 		mct: mct@101C0000 {