While there was no target os value, COIN thinks that it is a normal
desktop target. This causes the host and target artifacts being copied
to wrong location.
Change-Id: Ie478f66e424859fbbf51d3f2d9d7efba032b30c5
Reviewed-by: Kimmo Ollila <kimmo.ollila@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>