* RPM Stats

RPM maintains a counter of the masters i.e APPS, MPPS etc
number of times the SoC entered a deeper sleep mode involving
lowering or powering down the backbone rails - Cx and Mx and
the oscillator clock, XO.

PROPERTIES

- compatible:
	Usage: required
	Value type: <string>
	Definition: Should be "qcom,rpm-master-stats".

- reg:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: The address on the RPM RAM from where the stats are read
	            should be provided as "phys_addr_base". The offset
		    from which the stats are available should be provided as
		    "offset_addr".

- reg-names:
	Usage: required
	Value type: <prop-encoded-array>
	Definition: Provides labels for the reg property.

- qcom,masters:
	Usage: required
	Value tye: <string list>
	Defination: Provides the masters list.

qcom,master-offset:
	Usage: required
	Value tye: <prop-encoded-array>
	Defination: Provides the masters list

EXAMPLE:

qcom,rpm-master-stats@60150 {
		compatible = "qcom,rpm-master-stats";
		reg = <0x45f0150 0x5000>;
		qcom,masters = "APSS", "MPSS", "ADSP", "CDSP", "TZ";
		qcom,master-stats-version = <2>;
		qcom,master-offset = <4096>;
	};
