loongson/pypi: links for dsprpc

loongson/mirror dsprpc-0.2.3.tar.gz
loongson/mirror dsprpc-0.2.2.tar.gz
loongson/mirror dsprpc-0.2.1.tar.gz
loongson/mirror dsprpc-0.2.0.tar.gz
loongson/mirror dsprpc-0.1.0.tar.gz