[Opendnssec-develop] Supported build dependency for libraries etc

[Rickard Bellgrim]

> There is the following list of systems that we claim to have tested on
>
> https://wiki.opendnssec.org/display/ODSDOC140/Installation#Installation-Platformsupport
>
> Is this up to date? We don't have many of these in the build servers. (I could potentially supply them on my ESXi server.)

We decided this some year ago. It was some platforms that we had
available within the project. We had to make sure that it worked on
those platforms.

// Rickard