ARM support

Arthur Marius Hennequinrequested to merge
ahennequ_armSupport into master

This set of MRs make the necessary changes to build and run on arm platforms. Tested on arm64-thunderx2.

Goes with LHCb!2756 (merged) Rec!2205 (merged) Allen!434 (closed)

@bcouturi @sponce @clemenci

Edited by Alessandro Scarabotto

Merge request reports