iOS: Do not skip building QtMultimedia

QtMultimedia is supported in Qt 5.2 and should be built by default, so
it has been removed from the module "skip list"

Task-number: QTBUG-35039
Change-Id: Id43f997251bf392b7f6c0166ee06b7364ce30b8e
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
iOS: Do not skip building QtQuickControls module

The QtQuickControls is supported for 5.2 though it does not provide
the system native "look and feel".  This patch removes the module from
the iOS module "skip list".

Task-number: QTBUG-35033
Change-Id: Icad479f2e4651c02e569e8a86cfe5ac912d8ed10
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
iOS: Do not skip building QtGraphicalEffects module

The QtGraphicalEffects module is a QtQuick2 only module so it is clear
why it was left out before iOS had support for QtQuick2, but now it
should be built by default.  This commit removes QtGraphicalEffects from
the iOS module "skip list".

Change-Id: Ie0890f6784ad6e276e80bf7a11195c141ca23332
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@digia.com>