In n6.1, the target cpu is supposed to be x86-64 instead of x86_64. Task-number: QTBUG-121343 Pick-to: 6.7 6.6 6.5 Change-Id: Id87a6eaaf73f093bbac66f245998cda6a3e992fc Reviewed-by: Lars Knoll <lars@knoll.priv.no>