Texas Instruments pcm1789 DT bindings

PCM1789 is a simple audio codec that can be connected via
I2C or SPI. Currently, only I2C bus is supported.

Required properties:

 - compatible: "ti,pcm1789"

Required properties on I2C:

 - reg: the I2C address
 - reset-gpios: GPIO to control the RESET pin

Examples:

	audio-codec@4c {
		compatible = "ti,pcm1789";
		reg = <0x4c>;
		reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
		#sound-dai-cells = <0>;
	};
