loongson/mirror: links for por-gdata

loongson/mirror por.gdata-1.7.2.tar.gz
loongson/mirror por.gdata-1.7.1.tar.gz
loongson/mirror por.gdata-1.7.tar.gz
loongson/mirror por.gdata-1.6.tar.gz
loongson/mirror por.gdata-1.5.tar.gz
loongson/mirror por.gdata-1.4.tar.gz
loongson/mirror por.gdata-1.3.zip