V4L/DVB (11918): tuner-xc2028: Fix offset frequencies for DVB @ 6MHz
V4L/DVB (11918): tuner-xc2028: Fix offset frequencies for DVB @ 6MHz

Both ATSC and DVB @ 6MHz bandwidth require the same offset.

While we're fixing it, let's cleanup the bandwidth setup to better
reflect the fact that it is a function of the bandwidth.

Thanks to Terry Wu <efd4a6d929b41142ccbb31684d9b142f3534d59a@gmail.com> for pointing this issue and
to Andy Walls <87098e5036de39f00cafe8d8f6114135f55ad2e7@radix.net> for an initial patch for this fix.

Cc: Terry Wu <efd4a6d929b41142ccbb31684d9b142f3534d59a@gmail.com>
Acked-by: Andy Walls <87098e5036de39f00cafe8d8f6114135f55ad2e7@radix.net>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs