media: dt-bindings: media: renesas,fcp: Document RZ/G3E SoC

media: dt-bindings: media: renesas,fcp: Document RZ/G3E SoC

The FCPVD block on the RZ/G3E SoC is identical to the one found on the
RZ/G2L SoC.

No driver changes are required, as `renesas,fcpv` will be used as a
fallback compatible string on the RZ/G3E SoC.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://patch.msgid.link/5aaf561a66c24639477a99d3861ca969a81673f0.1775636898.git.tommaso.merciai.xr@bp.renesas.com
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>