Bug#1071018: ovn: please add support for loong64

[wuruilong]

Source: ovn
Version: 24.09.0-1
Followup-For: Bug #1071018
X-Debbugs-Cc: wuruil...@loongson.cn

Dear Maintainer,

Now ovn compiles successfully without attaching patch to skip test case code, 
please close this bug

wuruilong