Qualcomm Technologies, Inc. Diag MHI Driver

Required properties:
-compatible : should be "qcom,diag-mhi".
-qcom,mhi : phandle of MHI Device to connect to.

Example:
	qcom,diag {
		compatible = "qcom,diag-mhi";
		qcom,mhi = <&mhi_wlan>;
	};