LU-6142 lnet: Fix style issues for socklnd.[ch]

LU-6142 lnet: Fix style issues for socklnd.[ch]

This patch fixes issues reported by checkpatch
for both files lnet/klnds/socklnd/socklnd.c and
socklnd.h

Test-Parameters: trivial testlist=sanity-lnet
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: Idbecae78834aac1e1d321bb8614a1ff971903669
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55822
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Chris Horn <chris.horn@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>