loongson/mirror: links for ktbs

loongson/mirror kTBS-0.6.tar.gz
loongson/mirror kTBS-0.5.1.tar.gz
loongson/mirror kTBS-0.5.tar.gz
loongson/mirror kTBS-0.4.tar.gz
loongson/mirror kTBS-0.3.tar.gz
loongson/mirror kTBS-0.2.tar.gz
loongson/mirror kTBS-0.1.tar.gz