dt-bindings: net: renesas,etheravb: Add r8a779g0 support

Document support for the Renesas Ethernet AVB (EtherAVB-IF) block in the
Renesas R-Car V4H (R8A779G0) SoC.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Acked-by: NKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: NWolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: NSergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: NJakub Kicinski <kuba@kernel.org>

Documentation/devicetree/bindings/net/renesas,etheravb.yaml

@@ -45,6 +45,7 @@ properties:
       - items:
           - enum:
               - renesas,etheravb-r8a779a0     # R-Car V3U
+              - renesas,etheravb-r8a779g0     # R-Car V4H
           - const: renesas,etheravb-rcar-gen4 # R-Car Gen4
 
       - items:
@@ -211,7 +212,7 @@ allOf:
               - renesas,etheravb-r8a77965
               - renesas,etheravb-r8a77970
               - renesas,etheravb-r8a77980
-              - renesas,etheravb-r8a779a0
+              - renesas,etheravb-rcar-gen4
     then:
       required:
         - tx-internal-delay-ps