loongson/pypi: links for switchdiscovery

loongson/mirror switchDiscovery-1.2.2.dev1.tar.gz
loongson/mirror switchDiscovery-1.2.1.dev1.tar.gz
loongson/mirror switchDiscovery-1.2.0.dev1.tar.gz
loongson/mirror switchDiscovery-1.1.0.tar.gz
loongson/mirror switchDiscovery-1.0.tar.gz