ASoC: dt-bindings: max98390: add reset gpio bindings

This adds support for the reset gpio binding.

Signed-off-by: Steve Lee <steve.lee.analog@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220420044900.2989-2-steve.lee.analog@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/maxim,max98390.yaml

@@ -29,6 +29,9 @@ properties:
     minimum: 1
     maximum: 8388607
 
+  reset-gpios:
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -37,6 +40,7 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/gpio/gpio.h>
     i2c {
       #address-cells = <1>;
       #size-cells = <0>;
@@ -45,5 +49,6 @@ examples:
         reg = <0x38>;
         maxim,temperature_calib = <1024>;
         maxim,r0_calib = <100232>;
+        reset-gpios = <&gpio 9 GPIO_ACTIVE_LOW>;
       };
     };