dt-bindings: PCI: pci-rcar-gen2: Add device tree support for r8a7742

Add internal PCI bridge support for r8a7742 SoC. The Renesas RZ/G1H
(R8A7742) internal PCI bridge is identical to the R-Car Gen2 family.

Signed-off-by: Lad Prabhakar <[email protected]>
Reviewed-by: Marian-Cristian Rotariu <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Rob Herring <[email protected]>

Author: prabhakarlad

Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt

@@ -6,7 +6,8 @@ AHB. There is one bridge instance per USB port connected to the internal
 OHCI and EHCI controllers.
 
 Required properties:
-- compatible: "renesas,pci-r8a7743" for the R8A7743 SoC;
+- compatible: "renesas,pci-r8a7742" for the R8A7742 SoC;
+	      "renesas,pci-r8a7743" for the R8A7743 SoC;
 	      "renesas,pci-r8a7744" for the R8A7744 SoC;
 	      "renesas,pci-r8a7745" for the R8A7745 SoC;
 	      "renesas,pci-r8a7790" for the R8A7790 SoC;