loongson/pypi: links for coreec2

loongson/mirror coreec2-0.1.4.tar.gz
loongson/mirror coreec2-0.1.3.tar.gz
loongson/mirror coreec2-0.1.2.tar.gz
loongson/mirror coreec2-0.1.1.tar.gz
loongson/mirror coreec2-0.1.0.tar.gz