Yet another timeout increase for the "infinite loop" autotest.

Even slower machines have appeared.

Task-number: QBS-628
Change-Id: I1e54a50265db4ef924d83e3485f8681fe3452480
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
revisit how Qt compiler defines are set up

Move the logic from QtModule.qbs to libqtprofilesetup.

Change-Id: Ie0a19cb5da996dfbf76c4ae09416fdcc54e52b27
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>