LU-16741 osp: rename ptlrpc_req_finished for component osp

LU-16741 osp: rename ptlrpc_req_finished for component osp

Patch renames ptlrpc_req_finished to ptlrpc_req_put for
osp component

Test-Parameters: trivial
Signed-off-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Change-Id: I0da0f922be2a062459c14585f910ef2a6c425b14
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54986
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Patrick Farrell <patrick.farrell@oracle.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>