Replace the current license disclaimer in files by
a SPDX-License-Identifier.
License files are organized under LICENSES directory.
Task-number: QTBUG-67283
Task-number: QTBUG-108364
Change-Id: If26e4d35c780db4a7982bb84872b251dad24716e
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
(cherry picked from commit eecfb19548)
Command line tools are also updated
Pick-to: 6.4
Change-Id: Ic1d0882d395e014a4f33ed139c90800b3ba71cbf
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
