loongson/mirror: links for att-iot-client

loongson/mirror att_iot_client-3.0.3.tar.gz
loongson/mirror att_iot_client-3.0.2.tar.gz
loongson/mirror att_iot_client-3.0.1.tar.gz
loongson/mirror att_iot_client-3.0.0.tar.gz
loongson/mirror att_iot_client-3.0.0-py2.7.egg
loongson/mirror att_iot_client-2.2.0.zip
loongson/mirror att_iot_client-2.1.0.zip