5031379 enable DMA on simplex controllers

[martin.falte...@sun.com]

Author: mlf
Repository: /hg/onnv/onnv-gate
Revision: fcdf61fa582c121ac4aaece4db219d175f85a796
Log message:
5031379 enable DMA on simplex controllers

Files:
        update: usr/src/uts/intel/io/dktp/controller/ata/ata_common.c