ASoC: dt-bindings: qcom,apq8096-sndcard: use dtschema

Remove old txt bindings and add apq8096 soundcard entry to existing
dt schema.

Signed-off-by: Rayyan Ansari <rayyan.ansari@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240710113833.39859-4-rayyan.ansari@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: RayyanAnsari

Documentation/devicetree/bindings/sound/qcom,apq8096.txt

@@ -28,6 +28,7 @@ properties:
           - const: qcom,sm8450-sndcard
       - enum:
           - qcom,apq8016-sbc-sndcard
+          - qcom,apq8096-sndcard
           - qcom,msm8916-qdsp6-sndcard
           - qcom,qcm6490-idp-sndcard
           - qcom,qcs6490-rb3gen2-sndcard