The RT_TSW_OK field is set to 1 if there was no error. The Message Error
(ME) field indicates an error and must be set to 0 if there was no error
so the result of tsw&RT_TSW_OK must be negated. It is then left-shifted
to the Messsage Error (ME) bit field of the message information word.
Fix issue CID 1399772
This patch changes the license to BSD-2 for all source files where the
copyright is held by Aeroflex Gaisler, Cobham Gaisler, or Gaisler Research.
Some files also includes copyright right statements from OAR and/or
embedded Brains in addition to Gaisler.
Updates #3053.
