media: uvcvideo: Add support for the D3DFMT_R5G6B5 pixmap type

This media format is used by the NXP Semiconductors 1fc9:009b chipset,
used by the Kaiweets KTI-W02 infrared camera.

Signed-off-by: David Given <dg@cowlark.com>
Reviewed-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20240918180540.10830-1-dg@cowlark.com


Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>