loongson/mirror: links for avcuda

loongson/mirror avcuda-0.2.4.tar.gz
loongson/mirror avcuda-0.2.3.tar.gz
loongson/mirror avcuda-0.2.2.tar.gz
loongson/mirror avcuda-0.2.1.tar.gz
loongson/mirror avcuda-0.2.0.tar.gz
loongson/mirror avcuda-0.1.7.tar.gz