dt-bindings: PCI: rcar-gen4-pci-ep: Add R-Car V4M compatible

Document bindings for R-Car V4M (R8A779H0) PCIe endpoint module.

Link: https://lore.kernel.org/linux-pci/[email protected]
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Krzysztof Wilczyński <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>

Author: shimoday

Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml

@@ -19,6 +19,7 @@ properties:
       - enum:
           - renesas,r8a779f0-pcie-ep      # R-Car S4-8
           - renesas,r8a779g0-pcie-ep      # R-Car V4H
+          - renesas,r8a779h0-pcie-ep      # R-Car V4M
       - const: renesas,rcar-gen4-pcie-ep  # R-Car Gen4
 
   reg: