[media] v4l2-ioctl: make tuner 'type' check more strict for S_FREQUENCY

As per the feature removal document, make the tuner type check more strict
so that it is no longer possible to set the radio frequency through a video
node or the TV frequency through a radio node.

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

diff --cc Documentation/DocBook/media/v4l/vidioc-g-frequency.xml
Simple merge

diff --cc Documentation/feature-removal-schedule.txt
Simple merge

diff --cc drivers/media/video/v4l2-ioctl.c
Simple merge