dt-bindings: pinctrl: renesas,pfc: Document r8a779g0 support

Document Pin Function Controller (PFC) support for the Renesas R-Car V4H
(R8A779G0) SoC.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87fsjlty13.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

Documentation/devicetree/bindings/pinctrl/renesas,pfc.yaml

@@ -45,6 +45,7 @@ properties:
       - renesas,pfc-r8a77995    # R-Car D3
       - renesas,pfc-r8a779a0    # R-Car V3U
       - renesas,pfc-r8a779f0    # R-Car S4-8
+      - renesas,pfc-r8a779g0    # R-Car V4H
       - renesas,pfc-sh73a0      # SH-Mobile AG5
 
   reg: