Qualcomm Technologies MSM Clock Controller

Required properties :
- compatible : shall contain "qcom,msm-clock-controller"
- reg : shall contain base register location and length
- reg-names: names of registers listed in the same order as in
		the reg property.
- #clock-cells : shall contain 1
- #reset-cells : shall contain 1

Optional properties :
- vdd_<rail>-supply: The logic rail supply.

Example:
	clock_gcc: qcom,gcc@1800000 {
		compatible = "qcom,msm-clock-controller";
		reg = <0x1800000 0x80000>;
		reg-names = "cc-base";
		#clock-cells = <1>;
		clock-names = "a7_debug_clk";
		clocks = <&clock_a7pll clk_a7_debug_mux>;
	};