media: renesas: vsp1: Allow setting encoding and quantization

media: renesas: vsp1: Allow setting encoding and quantization

The RPF and WPF support different encodings and quantizations when
converting between RGB and YUV formats. Allow setting the corresponding
format parameters from userspace, and configure the hardware
accordingly.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20250429232904.26413-7-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>