LU-10391 lnet: alter lnet_drop_rule_match() to take lnet_nid

The local nid passed to lnet_drop_rule_match() is now a 16-byte nid.
Various support functions are also changed to embrace 'struct
lnet_nid'.

Test-Parameters: trivial
Test-Parameters: serverversion=2.12 serverdistro=el7.9 testlist=runtests
Test-Parameters: clientversion=2.12 testlist=runtests
Signed-off-by: Mr NeilBrown <neilb@suse.de>
Change-Id: I738bff9cfc8c5a70c736639fdd64a66d2aded186
Reviewed-on: https://review.whamcloud.com/43617
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Chris Horn <chris.horn@hpe.com>
Reviewed-by: Amir Shehata <ashehata@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>