File _servicedata of Package ublksrv

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/ublk-org/ublksrv.git</param>
              <param name="changesrevision">a2f2daa9f02509a008d9304c197f6a2b0da0ad38</param></service></servicedata>