Add minimal target for Arty Board platform#592

Open

rw1nkler wants to merge 2 commits intotimvideos:masterfrom antmicro:symbiflow_doc

+39-1

Commits on Dec 4, 2020

platforms: Update Arty A7 chip version
rw1nkler
committed

Commits on Dec 7, 2020

targets: Add minimal arty target
rw1nkler
committed