qt5: Upgrade to 5.2.0

* 0003-maliitplatforminputcontext-use-system-instead-of-ses.patch
  doesn't apply because whole maliit input context was removed
  completely in 5.2.0
  https://qt.gitorious.org/qt/qtbase/commit/80cb575953e3a282593570e1583938b6475bc0d3

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
qtwayland: Rebase to newer revision

* 0007-Do-not-get-blocked-on-an-unmapped-buffer.patch was applied in upstream
  commit 32de71173e6d306e9f4b18af1da1784cfcf8ac8e
* 0008-Compositor-Extend-QWaylandSurfaceNode-from-QSGSimple.patch was
  applied in upstream commit f61eb1a70f4315407c70af6b89a64ef27783b9b7

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>