QMP debugfs client:
-----------------

QTI Messaging Protocol(QMP) debugfs client is an interface for clients to
send data to the Always on processor using QMP.

Required properties :
- compatible : must be "qcom,debugfs-qmp-client"
- mboxes : list of QMP mailbox phandle and channel identifier tuples.
- mbox-names : names of the listed mboxes

Example :
	qcom,qmp-client {
		compatible = "qcom,debugfs-qmp-client";
		mboxes = <&qmp_aop 0>;
		mbox-names = "aop";
	};
