[media] mb86a20s: Fix signal strength calculus

A register typo made the calculation to not work. Fix it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2013-03-01 16:15:16 -03:00
commit dad78c5662