Merge "soc: qcom: Update ipc router sdio transport plugin"

IPC Router SDIO Transport

Required properties:

-compatible:		should be "qcom,ipc_router_sdio_xprt"

-qcom,ch-name:		the SDIO channel name used by the SDIO transport

-qcom,xprt-remote:	string that defines the edge of the transport (PIL Name)

-qcom,xprt-linkid:	unique integer to identify the tier to which the link

			belongs to in the network and is used to avoid the

			routing loops while forwarding the broadcast messages

-qcom,xprt-version:	unique version ID used by SDIO transport header

Example:

	qcom,ipc_router_external_modem_xprt {

		compatible = "qcom,ipc_router_sdio_xprt";

	        qcom,ch-name = "ipc_bridge_sdio";

		qcom,xprt-remote = "external-modem";

		qcom,xprt-linkid = <1>;

		qcom,xprt-version = <3>;

	};