loongson/pypi: links for libbmc

loongson/mirror libbmc-0.2.1.tar.gz
loongson/mirror libbmc-0.2.tar.gz
loongson/mirror libbmc-0.1.3.1.tar.gz
loongson/mirror libbmc-0.1.3.tar.gz
loongson/mirror libbmc-0.1.2.tar.gz
loongson/mirror libbmc-0.1.1.zip
loongson/mirror libbmc-0.1.tar.gz