LU-16991 kfilnd: Init LNet NI data in dev alloc

LU-16991 kfilnd: Init LNet NI data in dev alloc

LNet ni_nid was being set outside of kfilnd_dev_alloc(). This was
causing the incorrect debugfs directories to be generated inside
kfilnd_dev_alloc().

Fix this by setting all LNet NI fields inside kfilnd_dev_alloc().

Test-Parameters: trivial
HPE-bug-id: LUS-11496
Signed-off-by: Ian Ziemba <ian.ziemba@hpe.com>
Change-Id: I4eecfa05966cb7793a01b92b0bc49ffca252976e
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/51783
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Ron Gredvig <ron.gredvig@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>