loongson/mirror: links for gpcharts

loongson/mirror gpcharts-v1.3.3.tar.gz
loongson/mirror gpcharts-v1.3.2.tar.gz
loongson/mirror gpcharts-v1.2.0.tar.gz
loongson/mirror gpcharts-v1.1.1.tar.gz
loongson/mirror gpcharts-v1.1.0.tar.gz
loongson/mirror gpcharts-v1.0.0.tar.gz