staging: vt6655: remove antenna diversity functions

The vendor had disabled these functions in their last version.

On test this can be troublesome, so remove this from the driver along
with its macros and timers.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/vt6655/baseband.c
Simple merge

diff --cc drivers/staging/vt6655/baseband.h
Simple merge

diff --cc drivers/staging/vt6655/device.h
Simple merge

diff --cc drivers/staging/vt6655/device_main.c
Simple merge

diff --cc drivers/staging/vt6655/dpc.c
Simple merge