dt-bindings: iommu: renesas,ipmmu-vmsa: add r8a779a0 support

Add support for r8a779a0 (R-Car V3U).
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20210907083020.907648-2-yoshihiro.shimoda.uh@renesas.comSigned-off-by: Joerg Roedel <jroedel@suse.de>

Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml

@@ -43,6 +43,7 @@ properties:
               - renesas,ipmmu-r8a77980 # R-Car V3H
               - renesas,ipmmu-r8a77990 # R-Car E3
               - renesas,ipmmu-r8a77995 # R-Car D3
+              - renesas,ipmmu-r8a779a0 # R-Car V3U
 
   reg:
     maxItems: 1