Staging: line6: rewrote inline comments in control.h

This is a patch to control.h that presents certain inline comments in a
neater way, and which eliminates the 80 character error found by the
checkpatch.pl tool.
Signed-off-by: Johan Meiring <johanmeiring@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>