loongson/mirror: links for l11l

loongson/mirror l11l-2021.5.1.tar.gz
loongson/mirror l11l-2021.5.1-py3-none-any.whl
loongson/mirror l11l-2021.5.tar.gz
loongson/mirror l11l-2021.5-py3-none-any.whl