qtbase: Replace 0012-qtbase-allow-build-of-examples.patch with -compile-examples option

* -compile-examples option was added in upstream commit:
  commit 8ea19caacf281240411541b5af37c2f9a103a7d1
  Author: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
  Date:   Tue May 7 17:10:22 2013 +0200
  Subject: add -compile-examples configure option

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
qt5-git: bump SRCREVs to latest in 'release' branch

* in some components there was just
  Bump MODULE_VERSION to 5.2.2
  commit but bump them all for consistencty

* we're testing newer revisions in order to narrow some QML issues
  we're seeing in runtime

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