* Sound complex for Storm boards

Models a soundcard for Storm boards with the Qualcomm Technologies IPQ806x SOC
connected to a MAX98357A DAC via I2S.

Required properties:

- compatible	: "google,storm-audio"
- cpu		: Phandle of the CPU DAI
- codec		: Phandle of the codec DAI

Optional properties:

- qcom,model	: The user-visible name of this sound card.

Example:

sound {
	compatible = "google,storm-audio";
	qcom,model = "ipq806x-storm";
	cpu = <&lpass_cpu>;
	codec = <&max98357a>;
};