[media] mcam-core: implement the control framework

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --cc drivers/media/platform/marvell-ccic/mcam-core.c
Simple merge

diff --cc drivers/media/platform/marvell-ccic/mcam-core.h
Simple merge