loongson/mirror: links for spex

loongson/mirror spex-0.2.1.tar.gz
loongson/mirror spex-0.2.1.linux-x86_64.tar.gz
loongson/mirror spex-0.2.0.tar.gz
loongson/mirror spex-0.2.0.linux-x86_64.tar.gz
loongson/mirror spex-0.1.1.tar.gz
loongson/mirror spex-0.1.1.linux-x86_64.tar.gz