staging: media: lirc: lirc_imon: Add space around the operators

CHECK: Add space around the operators { "<<", "*"}.

Signed-off-by: Anchal Jain <anchalj109@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>