[media] tv tuner max2165 driver: extend frequency range

Extend the frequency range to cover Hong Kong's digital TV broadcasting;
RTHK TV uses 802MHz and is not covered now. Tested on my TV tuner card
"MyGica X8558 Pro".

Signed-off-by: Walter Cheuk <wwycheuk@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>