loongson/pypi: links for rfc2xml

loongson/mirror rfc2xml-0.1.2.tar.gz
loongson/mirror rfc2xml-0.1.2-py3.7.egg
loongson/mirror rfc2xml-0.1.2-py3-none-any.whl
loongson/mirror rfc2xml-0.1.1.tar.gz
loongson/mirror rfc2xml-0.1.1-py3-none-any.whl
loongson/mirror rfc2xml-0.1.0.tar.gz
loongson/mirror rfc2xml-0.1.0-py3-none-any.whl