bindings: soc: qcom: add QTI battery glink debug

QTI battery glink debug binding

This binding describes the Qualcomm Technologies, Inc. battery glink debug

device. QTI battery glink debug device helps to get logs and debug information

by communicating with charger firmware running on the remote subsystem

(e.g. DSP) over PMIC Glink.

Refer to Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.txt for

information on "qcom,pmic_glink_log" device which is used in the example below.

- compatible:

	Usage: required

	Value type: <stringlist>

	Definition: must be "qcom,battery-debug"

= EXAMPLE

&soc {

	qcom,pmic_glink_log {

		...

		qcom,battery_debug {

			compatible = "qcom,battery-debug";

		};

		...

	};

};