ASoC: dt-bindings: qcom,sm8250: add qrb4210-rb2-sndcard

Add adsp-backed soundcard compatible for QRB4210 RB2 platform,
which as of now looks fully compatible with SM8250.
Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20241002022015.867031-2-alexey.klimov@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/qcom,sm8250.yaml

@@ -30,6 +30,7 @@ properties:
           - qcom,apq8096-sndcard
           - qcom,qcm6490-idp-sndcard
           - qcom,qcs6490-rb3gen2-sndcard
+          - qcom,qrb4210-rb2-sndcard
           - qcom,qrb5165-rb5-sndcard
           - qcom,sc7180-qdsp6-sndcard
           - qcom,sc8280xp-sndcard