media: dt-bindings: media: renesas,vsp1: Document RZ/V2H(P)

media: dt-bindings: media: renesas,vsp1: Document RZ/V2H(P)

The VSPD block on the RZ/V2H(P) SoC is identical to the one found on the
RZ/G2L SoC.

No driver changes are required, as `renesas,r9a07g044-vsp2` will be used
as a fallback compatible string on the RZ/V2H(P) SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20250408193158.80936-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>