dt-bindings: mmc: renesas,sdhi: Document RZ/G2UL SoC

Document RZ/G2UL SDHI bindings. RZ/G2UL SDHI is almost identical to one
found on the R-Car Gen3. No driver changes are required as generic
compatible string "renesas,rcar-gen3-sdhi" will be used as a fallback.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220315153258.21097-1-biju.das.jz@bp.renesas.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml

@@ -57,6 +57,7 @@ properties:
               - renesas,sdhi-r8a77990  # R-Car E3
               - renesas,sdhi-r8a77995  # R-Car D3
               - renesas,sdhi-r8a779a0  # R-Car V3U
+              - renesas,sdhi-r9a07g043 # RZ/G2UL
               - renesas,sdhi-r9a07g044 # RZ/G2{L,LC}
               - renesas,sdhi-r9a07g054 # RZ/V2L
           - const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2
@@ -109,6 +110,7 @@ allOf:
         compatible:
           contains:
             enum:
+              - renesas,sdhi-r9a07g043
               - renesas,sdhi-r9a07g044
               - renesas,sdhi-r9a07g054
     then: