File _servicedata of Package libxtrxdsp

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/xtrx-sdr/libxtrxdsp.git</param>
              <param name="changesrevision">eec28640c0ebd5639b642f07b310a0a0d02d9834</param></service></servicedata>