Move the contents of this file to bttv.rst and saa7134.rst.
With that, we can finally remove Documentation/video4linux.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Move V4L documentation files to media/v4l-drivers. Those aren't
core stuff, so they don't fit at the kAPI document.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>