loongson/pypi: links for polyutils

loongson/mirror polyutils-1.3.9.tar.gz
loongson/mirror polyutils-1.3.3.tar.gz
loongson/mirror polyutils-1.3.tar.gz
loongson/mirror polyutils-1.2.5.tar.gz
loongson/mirror polyutils-1.2.5-py3.7.egg
loongson/mirror polyutils-1.2.1.tar.gz
loongson/mirror polyutils-0.71.tar.gz