[media] v4l: vsp1: Update WPF and LIF maximum sizes for Gen3

The maximum image size supported by the WPF is 2048x2048 on Gen2 and
8190x8190 on Gen3. Update the code accordingly, and fix the maximum LIF
size for both Gen2 and Gen3.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>