loongson/pypi: links for processbar

loongson/mirror processbar-1.0.8.tar.gz
loongson/mirror processbar-1.0.7.tar.gz
loongson/mirror processbar-1.0.6.tar.gz
loongson/mirror processbar-1.0.5.tar.gz
loongson/mirror processbar-1.0.4.tar.gz