Twin(Multi) Codec pipe driver

Required properties:

- compatible : "sony,twincodec"
- codec-dais : List of codec-dai name (up to 4 codec-dai can be used)
- mute-busy : Busy time after hw-mute is enabled (usec. order)
- probe-child-codec : Call probe/remove/suspend/resume of the child codec
- sync_runtime_pm : Synchronize runtime_pm for child codec

Example:
/ {
	twincodec {
		compatible = "sony,twincodec";
		codec-dais = "es9080-dai", "pcm1681-hifi";
		mute-busy = <7000>;
		probe-child-codec;
		sync_runtime_pm;
		status = "okay";
	};
};
