Travis CI supports multiple CPU architectures

[Dominique Pellé]

Hi

At the moment, Vim is only built for amd64 architecture
in Travis. I see that Travis CI recently added support for
multiple CPU architectures. See:

https://blog.travis-ci.com/2019-11-12-multi-cpu-architecture-ibm-power-ibm-z
https://blog.travis-ci.com/2019-10-07-multi-cpu-architecture-support

Should we build Vim in Travis CI for other CPUs than amd64?

Regards
Dominique