loongson/pypi: links for psys

loongson/mirror psys-0.4.2.tar.gz
loongson/mirror psys-0.4.1.tar.gz
loongson/mirror psys-0.4.tar.gz
loongson/mirror psys-0.3.tar.gz
loongson/mirror psys-0.2.tar.gz
loongson/mirror psys-0.1.1.tar.gz
loongson/mirror psys-0.1.tar.gz