V4L/DVB (12419): Fix incorrect type of tuner for the BeholdTV H6 card

Define correct tuner in config. Radio now works fine

Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>