[media] go7007: convert to core locking and vb2

Convert this driver to videobuf2 and core locking.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --cc drivers/staging/media/go7007/Kconfig
Simple merge

diff --cc drivers/staging/media/go7007/go7007-driver.c
Simple merge

diff --cc drivers/staging/media/go7007/go7007-priv.h
Simple merge

diff --cc drivers/staging/media/go7007/go7007-usb.c
Simple merge

diff --cc drivers/staging/media/go7007/go7007-v4l2.c
Simple merge

diff --cc drivers/staging/media/go7007/saa7134-go7007.c
Simple merge