loongson/pypi: links for spsdk-keyfactor

loongson/mirror spsdk_keyfactor-0.4.1.tar.gz
loongson/mirror spsdk_keyfactor-0.4.0.tar.gz
loongson/mirror spsdk_keyfactor-0.3.1.tar.gz
loongson/mirror spsdk_keyfactor-0.3.0.tar.gz
loongson/mirror spsdk_keyfactor-0.3.0-py3-none-any.whl
loongson/mirror spsdk_keyfactor-0.1.0.tar.gz
loongson/mirror spsdk_keyfactor-0.1.0-py3-none-any.whl