media: staging/imx: Fix inconsistent long line breaks

Small readability changes to make the breaking of some lines
cleaner.

Signed-off-by: Lucas Leonardo Ciancaglini <leociancalucas@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>