staging: lustre: cleanup comment style for lnet selftest

Apply a consistent style for comments in the lnet selftest
code. Realign some of the comments to make it easier to read.
This also fixes a few checkpatch issues as well.

Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>