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

- get rid of ridden V4L2_COMMON symbol

  This symbol is not needed anymore; it can be folded with V4L2
  one, simplifying the Kconfig a little bit;

- Comment why some Kconfig items are needed;

- Remove if test for MEDIA_CAMERA_SUPPORT, replacing it by
  depends on.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Reorganize the API core changes for them to appear closer to
the items that enable them, and not at the drivers part of
the menu.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Move the tuners one level up, as the "common" directory will be used
by drivers that are shared between more than one driver.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Raise the DVB frontends one level up, as the intention is to remove
the drivers/media/dvb directory.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

just like the V4L2 core, move the DVB core to drivers/media, as the
intention is to get rid of both "video" and "dvb" directories.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Currently, the v4l2 core is mixed together with other non-core drivers.
Move them into a separate directory.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>