armarx/Spoac: Add missing dependency of Spoac for Elixir
Revealed why working on CMake modernization (https://git.h2t.iar.kit.edu/sw/armarx/spoac/-/merge_requests/1)
Revealed why working on CMake modernization (https://git.h2t.iar.kit.edu/sw/armarx/spoac/-/merge_requests/1)