Disable building of qmlpuppet for all non-desktop builds

Also disable it for ios, winrt ...

Change-Id: Ic8146148af3e5db6028088bcf79c75a523ff5327
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
Mark winphone, winrt as non-desktop builds

THis ensures e.g. qmlpuppet isn't built.

Change-Id: Ie0d429ba471f15ac114aafb6dbcd6753e8bbf546
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>