follow qt_tool.prf now setting up DESTDIR
follow qt_tool.prf now setting up DESTDIR

Change-Id: I875fb9563af10f51bb3d51950bc376f44a8f38db
Reviewed-by: Joerg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@digia.com>

kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1,kobolabs/qtquick1