qttools-native: Add module

* QtTools provide optional tools like "lupdate, lrelease", etc.
  In absence of these tools one can not have i18n and l10n changes automated in build.
  Adding "qttools-native" to "meta-qt5" Open Embedded layer provide those tools.
  Using Qt-Tools i18n and l10n changes can be automated.

Change-Id: Ieb679249a05501a6ccb25108903a0fd48d4014f0
recipes-qt5: Drop 5.0.2 version and 2nd qtwayland recipe

* this will make maintaining meta-qt5 a bit easier

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