[Atlas-anchors-pilot] Provisional hardware specs for Atlas Anchors

[Randy Bush]

> I asked the team to spec a machine to run multiple services quite
> possible isolated in VMs, but I could not say exactly which services
> yet.

well, the latter probably explains a lot of the inflated spec.  with no
constraint, they'll not want to fail, so will just spec the biggest
feature-rich thing they think they can get approved.

randy