Build: Support build on SW-64 CPU architecture

[xiangleiren]

[xiaozhihong]

What platform is this? If you are not familiar with the platform, you need to add them one by one. You can try to support it yourself with the instruction set manual. Refer to How to port ST Coroutines to other systems or CPUs?

TRANS_BY_GPT3

[suzp1984]

https://zhuanlan.zhihu.com/p/669255720
http://www.swcpu.cn/list-196-1.html
It seems SW_64 arch, evolved from alpha arch, belonging to a china company.