LU-17706 lnet: reserve TOFULND and EFALND

LU-17706 lnet: reserve TOFULND and EFALND

Reserve network numbers for Fujitsu Torus Fusion LND and Amazon
Elastic Fabric Adapter LND to avoid hard-to-fix conflicts in the
future.

Add comments for the other LND numbers to provide some context.

Test-Parameters: trivial
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: Icea6cecf5a951c5a44527c937a2631c9cc3ebbe5
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54674
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Chris Horn <chris.horn@hpe.com>
Reviewed-by: Shuichi Ihara <sihara@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>