loongson/mirror: links for rhodb

loongson/mirror rhodb-6.0.0.tar.gz
loongson/mirror rhodb-5.1.5.tar.gz
loongson/mirror rhodb-5.1.4.tar.gz
loongson/mirror rhodb-5.1.3.tar.gz
loongson/mirror rhodb-5.1.1.tar.gz
loongson/mirror rhodb-5.1.0.tar.gz
loongson/mirror rhodb-5.0.1.tar.gz
loongson/mirror rhodb-4.5.0.tar.gz
loongson/mirror rhodb-4.0.0.tar.gz
loongson/mirror rhodb-3.10.0.tar.gz
loongson/mirror rhodb-3.8.0.tar.gz