LU-14668 lnet: peer state to lock primary nid

LU-14668 lnet: peer state to lock primary nid

Introduce the following two peer states:

LNET_PEER_LOCK_PRIMARY, set by Lustre to lock the primary NID
of a peer to the NID Lustre is configured with

LNET_PEER_BAD_CONFIG, set by LNet if Lustre attempts to set
a peer's Primary NID to a NID used as the primary NID of another
peer

Lustre-change: https://review.whamcloud.com/43562
Lustre-commit: 684943e2d0c2ad095e3521586d61d007b4f49abd

Test-Parameters: trivial testlist=sanity-lnet
Signed-off-by: Amir Shehata <ashehata@whamcloud.com>
Change-Id: I8c55e90ad2abd083c2fc902a04d4cd06a3412bfa
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/49966
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Cyril Bordage <cbordage@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>