* Spreadtrum sound audio codec digital driver

This node models spreadtrum sound audio codec digital driver

Required properties:

- compatible = "sprd,audio-codec-dig-agcp", "sprd,sharkl3-audio-codec";
- reg : register address of codec digital
- sprd,syscon-agcp-ahb : node of audio cp ahb
Example:

sprd_audio_codec_dig: audio-codec@33750000 {
	compatible = "sprd,audio-codec-dig-agcp";
	reg = <0 0x33750000 0 0x1000>;
	sprd,syscon-agcp-ahb = <&audcp_ahb_regs>;
};
