Merge "msm: rdbg: Add snapshot of remote debugger driver"

Qualcomm Technologies, Inc. Remote Debugger (RDBG) driver

Required properties:

-compatible : Should be one of

	To communicate with adsp

		qcom,smp2p-interrupt-rdbg-2-in (inbound)

		qcom,smp2p-interrupt-rdbg-2-out (outbound)

	To communicate with cdsp

		qcom,smp2p-interrupt-rdbg-5-in (inbound)

		qcom,smp2p-interrupt-rdbg-5-out (outbound)

Example:

	qcom,smp2p_interrupt_rdbg_2_in {

            compatible = "qcom,smp2p-interrupt-rdbg-2-in";

	};