[media] media: ti-vpe: vpe: Added MODULE_DEVICE_TABLE hint

ti_vpe module currently does not get loaded automatically.
Added MODULE_DEVICE_TABLE hint to the driver to assist.

Signed-off-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>