[pvrusb2] pvrusb2-mci-20070114 radio support - stereo?

[Pantelis]

> P.S., I also applied the "mplayer pan" test to tv input and
> (un)surprisingly I found this to be mono as well. That could be the station
> though, but I 'm sure I 'll have to investigate more :-(

Scratch that, that was a little misconfiguration on my part, now as far as 
I 'm concerned stereo is stereo and mono is mono in both tv and radio
mode :-)

-Pantelis