loongson/pypi: links for putil

loongson/mirror putil-0.9.12.zip
loongson/mirror putil-0.9.12.tar.gz
loongson/mirror putil-0.9.12-py2.py3-none-any.whl
loongson/mirror putil-0.9.11.zip
loongson/mirror putil-0.9.11.tar.gz
loongson/mirror putil-0.9.11-py2.py3-none-any.whl