Update module version to 5.2.0
Update module version to 5.2.0

Change-Id: I310777c1005de28da1eb6326fec03ebb7716919a
Reviewed-by: Sergio Ahumada <27ca633ce817d1c3858ceeac3c99febb78411853@digia.com>

mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools