loongson/pypi: links for pidb

loongson/mirror pidb-6.1.2.tar.gz
loongson/mirror pidb-6.1.2-py3-none-any.whl
loongson/mirror pidb-6.0.1.tar.gz
loongson/mirror pidb-6.0.1-py3-none-any.whl
loongson/mirror pidb-1.0.0-py3.6.egg