Bug#1050426: u3-tool: Please add loong64 to architecture list

[JiaLing Zhang]

Source: u3-tool
Version: 0.3-3
Severity: wishlist
X-Debbugs-Cc: zhangjial...@loongson.cn

Dear Maintainer,

Please add loong64 to architecture list. I can confirm this could build in 
loong64 .