spi: renesas,sh-msiof: R-Car V3U is R-Car Gen4

Despite the name, R-Car V3U is the first member of the R-Car Gen4
family. Hence move its compatible value to the R-Car Gen4 section.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220824094327.33685-4-wsa+renesas@sang-engineering.comSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/spi/renesas,sh-msiof.yaml

@@ -47,11 +47,11 @@ properties:
               - renesas,msiof-r8a77980      # R-Car V3H
               - renesas,msiof-r8a77990      # R-Car E3
               - renesas,msiof-r8a77995      # R-Car D3
-              - renesas,msiof-r8a779a0      # R-Car V3U
           - const: renesas,rcar-gen3-msiof  # generic R-Car Gen3 and RZ/G2
                                             # compatible device
       - items:
           - enum:
+              - renesas,msiof-r8a779a0      # R-Car V3U
               - renesas,msiof-r8a779f0      # R-Car S4-8
           - const: renesas,rcar-gen4-msiof  # generic R-Car Gen4
                                             # compatible device