loongson/mirror: links for uttrs

loongson/mirror uttrs-0.5.tar.gz
loongson/mirror uttrs-0.4.1.tar.gz
loongson/mirror uttrs-0.3.tar.gz
loongson/mirror uttrs-0.2.tar.gz
loongson/mirror uttrs-0.1.1.tar.gz
loongson/mirror uttrs-0.1.tar.gz