Use a bit mask with atomic or and and operations for VCD logging of ITTI messages task IDs in messages handling functions to support correctly multi threading logging.
Separated eNB and UE frame and slot VCD logs.

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4556 818b1a75-f10b-46b9-bf7c-635c3b92a50f