Broxton uses HDA DMA so needs to keep dmab in the driver context
so add it
Signed-off-by: NGuruprasadX Pawse <guruprasadx.pawse@intel.com>
Signed-off-by: NJeeja KP <jeeja.kp@intel.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>