Bug#1059024: libcrcutil： Please add loong64 binary output for Loongarch

[wuruilong]

Source: libcrcutil
Version: 1.0-5.3
Followup-For: Bug #1059024
X-Debbugs-Cc: wuruil...@loongson.cn

Dear Maintainer,

I verified that the above patch compiles successfully on the loongarch 
platform, please merge the attached patch.

wuruilong