dt-bindings: interrupt-controller: qcom,pdc: document qcom,qdu1000-pdc

Add QDU1000 PDC, already used in upstreamed DTS.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230416102831.105136-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Rob Herring <robh@kernel.org>

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

@@ -26,6 +26,7 @@ properties:
   compatible:
     items:
       - enum:
+          - qcom,qdu1000-pdc
           - qcom,sa8775p-pdc
           - qcom,sc7180-pdc
           - qcom,sc7280-pdc