loongson/pypi: links for getkey

loongson/mirror getkey-0.6.5.tar.gz
loongson/mirror getkey-0.6.4.tar.gz
loongson/mirror getkey-0.6.3.tar.gz
loongson/mirror getkey-0.6.2.tar.gz
loongson/mirror getkey-0.6.tar.gz