[media] af9033: fix broken I2C

Driver did not work anymore since I2C has gone broken due
to recent commit:
commit 37ebaf68
[media] dvb-frontends: Don't use dynamic static allocation

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: stable@vger.kernel.org