[LTP] [PATCH] doc: add kvm tests documentation

[Petr Vorel]

Hi Andrea,

> Hi Andrea,

> could you please merge your docs? I'll do suggested fixes afterwards.
> Because currently we have KVM doc just an empty file:

> https://linux-test-project.readthedocs.io/en/latest/developers/api_kvm_tests.html

> And we cannot expect users would find doc/old/ content.

I dared to merge your patchset. I'll implement my suggestions.
Thanks!

Kind regards,
Petr

> Kind regards,
> Petr