LU-10391 lnet: change lnet_debug_peer() to struct lnet_nid

LU-10391 lnet: change lnet_debug_peer() to struct lnet_nid

lnet_debug_peer() now takes 'struct lnet_nid *'.

Test-Parameters: trivial testlist=sanity-lnet
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: Iba496dc2008228046eff0092cf25d98b9409e771
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/44635
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Frank Sehr <fsehr@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>