* Broadcom RPC Real Time Clock

Required properties:
- compatible: Should contain "brcm,bcmrpc-rtc".
- dev-name: String name to assign to the RTC device.
- rpc-channel : ITC-RPC channel to use.

Example:
	rpc_rtc: rpc_rtc {
		compatible = "brcm,bcmrpc-rtc";
		dev-name = "rpc-rtc";
		rpc-channel = <&rpcrgsmc>;
	};
