loongson/pypi: links for keyutils

loongson/mirror keyutils-0.6.tar.gz
loongson/mirror keyutils-0.5.tar.gz
loongson/mirror keyutils-0.4.tar.gz
loongson/mirror keyutils-0.3.tar.gz
loongson/mirror keyutils-0.2.tar.gz
loongson/mirror keyutils-0.1.tar.gz