staging: lustre: lnet: use struct lnet_ioctl_config_data for NI query

staging: lustre: lnet: use struct lnet_ioctl_config_data for NI query

The functions used to query the NI state passes around the
individual fields of struct lnet_ioctl_config_data. To simplify
the code lets just pass struct lnet_ioctl_config directly.

Signed-off-by: Amir Shehata <amir.shehata@intel.com>
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7101
Reviewed-on: http://review.whamcloud.com/16367
Reviewed-by: Doug Oucharek <doug.s.oucharek@intel.com>
Reviewed-by: Olaf Weber <olaf@sgi.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>