ASoC: dt-bindings: everest,es8316: Add interrupt support

The Everest ES8316 has interrupt capability on its GPIO3 pin for
headphone detection. Several of the RockPi 4 variants are using it
already.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20260105193203.3166320-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: robherring

Documentation/devicetree/bindings/sound/everest,es8316.yaml

@@ -49,6 +49,10 @@ properties:
     items:
       - const: mclk
 
+  interrupts:
+    maxItems: 1
+    description: Headphone detect interrupt
+
   port:
     $ref: audio-graph-port.yaml#
     unevaluatedProperties: false