LU-6142 lnet: Fix style issues for socklnd_cb.c

LU-6142 lnet: Fix style issues for socklnd_cb.c

This patch fixes issues reported by checkpatch
for files lnet/klnds/socklnd/socklnd_cb.c

Test-Parameters: trivial testlist=sanity-lnet
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I1928c560de316e587606770cf924410f5699ab27
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55823
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Chris Horn <chris.horn@hpe.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>