Merge changes from topic "mb/misc-drtm-fixes" into integration

* changes:
  fix(drtm): measure and record the DLME EP offset instead of absolute address
  fix(drtm): set correct max region mask for DMA protection to 0xFFFF
  fix(drtm): correct PROTECT_MEM_REGION value as per DRTM specification
  fix(drtm): add event name data for separator event entries