V4L/DVB (13355): stv090x: fixes calculation of AGC2 and uses a different AGC2...

V4L/DVB (13355): stv090x: fixes calculation of AGC2 and uses a different AGC2 threshold for cut 3 chips

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>