WIP: Refactor/configs
Continuation of https://gitlab.labs.nic.cz/turris/turris-build/merge_requests/71
This refactors configuration and also does few fixes and cleanup to patches.
This should possibly fix compilation of pyzmq https://gitlab.labs.nic.cz/turris/turris-os-packages/issues/521 on Mox
Companion MR https://gitlab.labs.nic.cz/turris/turris-os-packages/merge_requests/193
Edited by Karel Koci