loongson/mirror: links for hawkscan

loongson/mirror HawkScan-2.2.tar.gz
loongson/mirror HawkScan-2.1.tar.gz
loongson/mirror HawkScan-1.9.9.tar.gz
loongson/mirror HawkScan-1.7.3.tar.gz
loongson/mirror HawkScan-1.7.2.tar.gz