File _servicedata of Package libretro-mesen-sx

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/libretro/beetle-psx-libretro.git</param>
              <param name="changesrevision">216d4498468cee4592a092f8c04b1431d61d1600</param></service></servicedata>