dt-bindings: PCI: qcom,pcie-ipq9574: Add IPQ9650 compatible

Add the IPQ9650 PCIe compatible to the IPQ9574 binding, as the IPQ9650
controller is compatible with IPQ9574 and uses it as the fallback.

While at it, make the global interrupt as required for IPQ9650.

Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@oss.qualcomm.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260610-ipq9650_pcie_binding-v2-1-69e27a1fbf1c@oss.qualcomm.com

Documentation/devicetree/bindings/pci/qcom,pcie-ipq9574.yaml

@@ -19,6 +19,7 @@ properties:
           - enum:
               - qcom,pcie-ipq5332
               - qcom,pcie-ipq5424
+              - qcom,pcie-ipq9650
           - const: qcom,pcie-ipq9574
 
   reg:
@@ -82,6 +83,18 @@ required:
 
 allOf:
   - $ref: qcom,pcie-common.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-ipq9650
+    then:
+      properties:
+        interrupts:
+          minItems: 9
+        interrupt-names:
+          minItems: 9
 
 unevaluatedProperties: false