loongson/pypi: links for pupremote

loongson/mirror pupremote-2.1.2.tar.gz
loongson/mirror pupremote-2.1.2-py3-none-any.whl
loongson/mirror pupremote-2.1.1.tar.gz
loongson/mirror pupremote-2.1.1-py3-none-any.whl