loongson/pypi: links for rtkmcb

loongson/mirror Rtkmcb-0.0.4dev.tar.gz
loongson/mirror Rtkmcb-0.0.3dev.tar.gz
loongson/mirror Rtkmcb-0.0.2dev.tar.gz
loongson/mirror Rtkmcb-0.0.1dev.tar.gz