loongson/mirror: links for pikatopic

loongson/mirror pikatopic-1.0.4.tar.gz
loongson/mirror pikatopic-1.0.3.tar.gz
loongson/mirror pikatopic-1.0.2.tar.gz
loongson/mirror pikatopic-1.0.1.tar.gz
loongson/mirror pikatopic-1.0.0.tar.gz