loongson/pypi: links for ssvm

loongson/mirror ssvm-0.22.tar.gz
loongson/mirror ssvm-0.21.tar.gz
loongson/mirror ssvm-0.11.tar.gz
loongson/mirror ssvm-0.3.zip
loongson/mirror ssvm-0.2.tar.gz
loongson/mirror ssvm-0.1.tar.gz