media: ti-vpe: cal: set DMA max seg size

Set DMA max seg size correctly to get rid of warnings on 64 bit
platforms:

DMA-API: cal 6f03000.cal: mapping sg segment longer than device claims to support [len=720896] [max=65536]

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>