Fixed handling of Qt4 Phonon submodule in qtprofilesetup.

Considered the different naming conventions of the Phonon module and
associated paths and libraries (Phonon vs. QtXxxx).

Change-Id: Iedf7501b35685f30379a8145440fc751a6cde91d
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>