loongson/pypi: links for et2adem

loongson/mirror et2adem-0.5.tar.gz
loongson/mirror et2adem-0.4.tar.gz
loongson/mirror et2adem-0.3.tar.gz
loongson/mirror et2adem-0.2.tar.gz
loongson/mirror et2adem-0.1.tar.gz