dt-bindings: qcom,pdc: Add missing compatibles

Document the compatibles that are already in use in the upstream Linux
kernel to resolve dtbs_check warnings.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20221013091208.356739-1-luca.weiss@fairphone.comSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/interrupt-controller/qcom,pdc.yaml

@@ -28,11 +28,15 @@ properties:
       - enum:
           - qcom,sc7180-pdc
           - qcom,sc7280-pdc
+          - qcom,sc8280xp-pdc
           - qcom,sdm845-pdc
+          - qcom,sdx55-pdc
+          - qcom,sdx65-pdc
           - qcom,sm6350-pdc
           - qcom,sm8150-pdc
           - qcom,sm8250-pdc
           - qcom,sm8350-pdc
+          - qcom,sm8450-pdc
       - const: qcom,pdc
 
   reg: