LU-14790 lnet: Reflect ni_fatal in NI status

LU-14790 lnet: Reflect ni_fatal in NI status

If the ni_fatal_error_on flag is set on an NI then that NI should be
considered down.

HPE-bug-id: LUS-10167
Test-Parameters: trivial testlist=sanity-lnet
Signed-off-by: Chris Horn <chris.horn@hpe.com>
Change-Id: I201bda7e06da1fb1cc23db70ce0cfa3118635d0f
Reviewed-on: https://review.whamcloud.com/44072
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Reviewed-by: Cyril Bordage <cbordage@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>