ASoC: max98927: Add reset-gpios optional property

Signed-off-by: Alejandro Tafalla <atafalla@dnyon.com>
Link: https://lore.kernel.org/r/5004d52da527bf1dd9e5b17e20b2ce50a0b57b5a.1633572679.git.atafalla@dnyon.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/max9892x.txt

@@ -30,6 +30,9 @@ Required properties:
 
   - reg : the I2C address of the device for I2C
 
+Optional properties:
+  - reset-gpios : GPIO to reset the device
+
 Example:
 
 codec: max98927@3a {