loongson/pypi: links for agvtool-port

loongson/mirror agvtool_port-0.0.4.tar.gz
loongson/mirror agvtool_port-0.0.4-py2.py3-none-any.whl
loongson/mirror agvtool_port-0.0.3.tar.gz
loongson/mirror agvtool_port-0.0.3-py2.py3-none-any.whl
loongson/mirror agvtool_port-0.0.2.tar.gz
loongson/mirror agvtool_port-0.0.2-py2.py3-none-any.whl
loongson/mirror agvtool_port-0.0.1.tar.gz