loongson/pypi: links for bsnlldp

loongson/mirror bsnlldp-3.0.0.tar.gz
loongson/mirror bsnlldp-0.0.7.tar.gz
loongson/mirror bsnlldp-0.0.6.tar.gz
loongson/mirror bsnlldp-0.0.5.tar.gz
loongson/mirror bsnlldp-0.0.4.tar.gz
loongson/mirror bsnlldp-0.0.3.tar.gz
loongson/mirror bsnlldp-0.0.2.tar.gz
loongson/mirror bsnlldp-0.0.1.tar.gz