dt-bindings: msm: llcc: Add support for QDSS clock

			It's used for llcc cache single and double bit error detection

			and reporting.

- clocks:

	Usage: required

	Value type: <prop-encoded-array>

	Definition:  List of phandles and clock specifier pairs for the llcc perfmon

		     trace feature support.

- clock-names:

	Usage: required

	Value type: <stringlist>

	Definition: List of clock input name strings sorted in the same

		    order as the clocks property. Definition must have

		    "qdss_clk"

Example:

	cache-controller@1100000 {

		reg = <0x1100000 0x200000>, <0x1300000 0x50000> ;

		reg-names = "llcc_base", "llcc_broadcast_base";

		interrupts = <GIC_SPI 582 IRQ_TYPE_LEVEL_HIGH>;

		clocks = <&clock_aop QDSS_CLK>;

		clock-names = "qdss_clk";

	};