loongson/mirror: links for platform-checker

loongson/mirror platform_checker-0.2.2.tar.gz
loongson/mirror platform_checker-0.2.2-py3-none-any.whl
loongson/mirror platform_checker-0.1.0.tar.gz
loongson/mirror platform_checker-0.1.0-py3-none-any.whl