loongson/mirror: links for yolov5-icevision

loongson/mirror yolov5-icevision-6.0.0.tar.gz
loongson/mirror yolov5_icevision-6.0.0-py3-none-any.whl
loongson/mirror yolov5-icevision-4.0.0.tar.gz
loongson/mirror yolov5_icevision-4.0.0-py3-none-any.whl