loongson/pypi: links for unisos-symcrypt

loongson/mirror unisos.symCrypt-0.5.tar.gz
loongson/mirror unisos.symCrypt-0.4.tar.gz
loongson/mirror unisos.symCrypt-0.3.tar.gz
loongson/mirror unisos.symCrypt-0.2.tar.gz
loongson/mirror unisos.symCrypt-0.1.tar.gz