[media] staging: media: lirc: space around operator

checkpatch complains about missing space around operators.

[mchehab@osg.samsung.com: removed obsolete hunks]
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>