V4L/DVB (12906b): V4L : vpif capture - Kconfig and Makefile changes

Adds Kconfig and Makefile changes required for vpif capture driver

Resending to merge to V4L linux-next

Reviewed-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>