staging/lustre/include: Adjust comment style

This fixes most of the
"Block comments use a trailing */ on a separate line" checkpatch
warnings, also some slight reformats of structures or comments
at places.

Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>