ASoC: da7213: Add da7212 DT compatible

This adds a compatible for da7212. It's handled exactly the
same way as DA7213 and follows the ACPI bindings.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20200511132544.82364-2-sebastian.reichel@collabora.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/da7213.txt

-Dialog Semiconductor DA7213 Audio Codec bindings
+Dialog Semiconductor DA7212/DA7213 Audio Codec bindings
 
 ======
 
 Required properties:
-- compatible : Should be "dlg,da7213"
+- compatible : Should be "dlg,da7212" or "dlg,da7213"
 - reg: Specifies the I2C slave address
 
 Optional properties:

sound/soc/codecs/da7213.c

@@ -1571,6 +1571,7 @@ static int da7213_set_bias_level(struct snd_soc_component *component,
 #if defined(CONFIG_OF)
 /* DT */
 static const struct of_device_id da7213_of_match[] = {
+	{ .compatible = "dlg,da7212", },
 	{ .compatible = "dlg,da7213", },
 	{ }
 };