bluez-libs-devel is needed to enable Qt Bluetooth

Task-number: QTBUG-64782
Change-Id: Ie668a44463307c7089bb96a087acab04c27dd3a0
(cherry picked from commit 9b722f9df91c4f7a6ca24d3ad18e68e3a76b137b)
Reviewed-by: Jani Heikkinen <jani.heikkinen@qt.io>