* Spreadtrum audio cp dvfs

This node models spreadtrum audio cp dvfs

Required properties:

- compatible: should be one of followings:
	"sprd,sharkl5-audcp-dvfs",
	"sprd,sharkl5pro-audcp-dvfs",
	"sprd,roc1-audcp-dvfs".
- sprd,channel : the channel number for ap and audio co-processor
	communication for dvfs(dynamic voltage and clock freqency).

Example:
audiocp_dvfs {
	compatible = "sprd,sharkl5-audcp-dvfs";
	sprd,channel = <10>;
};
