qtwayland: Change module branch for 5.4

This is to fix the fetcher failure as the "stable" branch has been
removed. We does not change the revision we are using so this is
a safe change.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
qtmultimedia: Fixing the build against gstreamer 0.10 version

This patch fixes the qtmultimedia built against gstreamer
version 0.10, its been taken from:
https://qt.gitorious.org/qt/qtmultimedia/commit/4a6a71e5218446caf1084bc1d76ba8fc5ff38a88.patch

Signed-off-by: Sujith H <Sujith_Haridasan@mentor.com>
Signed-off-by: Sujith H <sujith.h@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>