LU-3636 llapi: llapi_hsm_copy_end() on correct FID on restore.

When doing a llapi_hsm_copy_end(), the FID sent to kernel should
be the DATA FID, when restoring. To be sure of that, the FID in
hsm_progress is used.

Signed-off-by: Aurelien Degremont <aurelien.degremont@cea.fr>
Change-Id: Ic378b76716057044f33a670089d738c950e07702
Reviewed-on: http://review.whamcloud.com/7112
Tested-by: Hudson
Reviewed-by: Faccini Bruno <bruno.faccini@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>