saa7164: Fix CodingStyle issues added on previous patches

The patches that added support for HVR2255 and HVR2205 added
some CodingStyle issues.

Better to fix it sooner than latter.

Cc: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>