loongson/pypi: links for cpmoptimize

loongson/mirror cpmoptimize-0.4.tar.gz
loongson/mirror cpmoptimize-0.3.post2.tar.gz
loongson/mirror cpmoptimize-0.3.post1.tar.gz
loongson/mirror cpmoptimize-0.3.tar.gz
loongson/mirror cpmoptimize-0.2.tar.gz