loongson/pypi: links for libopencore

loongson/mirror libopencore-0.7.1.tar.gz
loongson/mirror libopencore-0.7.tar.gz
loongson/mirror libopencore-0.6.tar.gz
loongson/mirror libopencore-0.5.tar.gz
loongson/mirror libopencore-0.4.tar.gz
loongson/mirror libopencore-0.3.tar.gz
loongson/mirror libopencore-0.2.tar.gz
loongson/mirror libopencore-0.1.tar.gz