WS LLC module implementation base

Implemetation support next features:
* Allocate LLC Data base
* MPX class and API allocate
* MPX class data flow support and registartion to adaptation layer
* Register LLC MAC extensions to SW MAC
* Message allocation support for MPX and Asynch: IE bbuffer allocate and
build.

Asynch Data flow request is not supported yet and IE params
configuration will be updated also

Author: Juha Heiskanen