ASoC: dt-bindings: Add schema for "awinic,aw88166"

Add the awinic,aw88166 property to support the aw88166 chip.

Signed-off-by: Weidong Wang <wangweidong.a@awinic.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250312120100.9730-2-wangweidong.a@awinic.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: wangweidonga

Documentation/devicetree/bindings/sound/awinic,aw88395.yaml

@@ -19,6 +19,7 @@ properties:
     enum:
       - awinic,aw88081
       - awinic,aw88083
+      - awinic,aw88166
       - awinic,aw88261
       - awinic,aw88395
       - awinic,aw88399