Updated submodules.

Change-Id: Ic9eb01ba38cca9c77a533f32d5f2f0519ec56aa3
Reviewed-by: Sergio Ahumada <sahumada@blackberry.com>
don't claim that multimedia needs quick

it's a soft dependency and it appears to be properly checked in the
subprojects.

Task-number: QTBUG-38616
Change-Id: I5ada1f91247ba3668015e95d6da9c5996f1a138c
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Reviewed-by: Mitch Curtis <mitch.curtis@digia.com>
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>