dt-bindings: media: renesas,vin: Add binding for V4M

dt-bindings: media: renesas,vin: Add binding for V4M

Document support for the VIN module in the Renesas V4M (r8a779h0) SoC.
This device is compatible with the VIN module on the other Gen4 SoCs.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20240704161620.1425409-6-niklas.soderlund+renesas@ragnatech.se
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>