V4L/DVB (6244): [PATCH 1/2] GemTek Radio card

Code cleanup for GemTek Radio card driver. Removed unnecessary / invalid
I/O commands and rewrote code for tuning on-board BU2614FS chip. Adds
several new module params for power users. Includes automatic device
probing.
Signed-off-by: NPekka Seppanen <pexu@kapsi.fi>
Signed-off-by: NDouglas Schilling Landgraf <dougsland@gmail.com>
Reviewed-by: NTrent Piepho <xyzzy@speakeasy.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>