dt-bindings: PCI: imx6q-pcie: Add i.MX8Q PCIe compatible string

Add i.MX8Q PCIe "fsl,imx8q-pcie" compatible strings. clock-names align
DesignWare Cores (DWC) common naming convension.

Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Richard Zhu <[email protected]>
Signed-off-by: Frank Li <[email protected]>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Reviewed-by: Rob Herring (Arm) <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Acked-by: Manivannan Sadhasivam <[email protected]>

Author: Richard Zhu

Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml

@@ -30,6 +30,7 @@ properties:
       - fsl,imx8mm-pcie
       - fsl,imx8mp-pcie
       - fsl,imx95-pcie
+      - fsl,imx8q-pcie
 
   clocks:
     minItems: 3
@@ -184,6 +185,21 @@ allOf:
             - const: pcie_bus
             - const: pcie_aux
 
+  - if:
+      properties:
+        compatible:
+          enum:
+            - fsl,imx8q-pcie
+    then:
+      properties:
+        clocks:
+          maxItems: 3
+        clock-names:
+          items:
+            - const: dbi
+            - const: mstr
+            - const: slv
+
 unevaluatedProperties: false
 
 examples: