loongson/pypi: links for collectd-plugin-vmg3006-xdsl

loongson/mirror collectd-plugin-VMG3006-xDSL-1.0.2.tar.gz
loongson/mirror collectd-plugin-VMG3006-xDSL-1.0.1.tar.gz
loongson/mirror collectd-plugin-VMG3006-xDSL-1.0.0.tar.gz