Merge "bindings: Add device-tree bindings for slate_events_bridge driver"

* Slate Events Bridge Driver

slate_events_bridge driver provides a set of apis for clients

to receive events from slate co processor. The events are

received over Glink.

Required properties:

- compatible:	      Must be "qcom,slate-events-bridge"

Example:

	qcom,slate-events-bridge {

		compatible = "qcom,slate-events-bridge";

		};

* Slate Events Bridge RPMSG Driver

slate_events_bridge_rpmsg driver provides functionality

to send and receive data over Glink from slate co processor.

Required properties:

- compatible:	      Must be "qcom,slate-events-bridge-rpmsg"

- qcom,glink-channels	specifies the glink channel name

- qcom,glinkpkt-edge	specifies the glink edge to match

Optional properties:

- intents		specifies the size and count of intents to glink

Example:

	qcom,slate-events-bridge-rpmsg {

		compatible = "qcom,slate-events-bridge-rpmsg";

		qcom,glink-channels = "slate_events";

		qcom,glinkpkt-edge = "slate";

		intents = <0x200 5>;

	};