teev-qt: set up tuner provider based on command line parameters

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
TunerProvider: allow caller to specify device ids

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
teev-qt: specify the tuner to use based on command line args

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>