loongson/pypi: links for sustech

loongson/mirror SUSTech-2019.10.19.tar.gz
loongson/mirror SUSTech-2019.10.19-py3-none-any.whl
loongson/mirror SUSTech-2019.10.18.tar.gz
loongson/mirror SUSTech-2019.10.18-py3-none-any.whl