Bug#1073251: rpy2: please add support for loong64

[wuruilong]

Source: rpy2
Version: 3.5.16-2
Followup-For: Bug #1073251
X-Debbugs-Cc: wuruil...@loongson.cn

Dear Maintainer,

It's been a while and I see rpy2 hasn't merged yet. Is there some other problem 
encountered?

wuruilong