loongson/pypi: links for psb

loongson/mirror psb-0.17.0.tar.gz
loongson/mirror psb-0.17.0-py3-none-any.whl
loongson/mirror psb-0.16.0.tar.gz
loongson/mirror psb-0.16.0-py3-none-any.whl
loongson/mirror psb-0.15.0.tar.gz
loongson/mirror psb-0.15.0-py3-none-any.whl