removed ModuleContext message

Change-Id: I5c1f16b72462ba82c6bb18994f250cb4450daeaf
Memread2 -- reads two dma streams

Change-Id: Ib416fe75061c61de435e1a72535a74a13a41d215
lastbe is zero if number of words requested is 1

Change-Id: Ic2503d1d43321871015b38ec159194a49803821d