LU-19010 lnet: Define BXI3LND network type

LU-19010 lnet: Define BXI3LND network type

Define the BXI3LND network type. This reserves the network type number
for future implementation and allows creation of bxi3 peers and
adding routes to bxi3 peers.

Test-Parameters: trivial
Signed-off-by: Sylvain Goudeau <sylvain.goudeau@eviden.com>
Change-Id: I0b15da1c3be7873fecebba926c60214663b8a091
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/59256
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>