LU-5861 lnet: invoke lnetctl properly from startup script

LU-5861 lnet: invoke lnetctl properly from startup script

Use the correct lnetctl command syntax to load default config:
lnetctl import < lnet.conf

Signed-off-by: Amir Shehata <amir.shehata@intel.com>
Change-Id: I54dd0d34f75b91c1c6ceb9745d817cb43f82ef25
Reviewed-on: http://review.whamcloud.com/12561
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Doug Oucharek <doug.s.oucharek@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>