media: drivers: media: pci: b2c2: Fix errors due to unappropriate coding style.

Fix error due to assignment in conditional expression.
Fix errors due to absence of empty spaces separators after commas in
function calls.
Fix errors due to lines longer than 80 characters.

Signed-off-by: Iliya Iliev <iliyailiev3592@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>