Add support for two-channel dma under dmaengine
support: mmp-adma and pxa910-squ
Signed-off-by: NZhangfei Gao <zhangfei.gao@marvell.com>
Signed-off-by: NLeo Yan <leoy@marvell.com>
Signed-off-by: NQiao Zhou <zhouqiao@marvell.com>
Signed-off-by: NVinod Koul <vinod.koul@linux.intel.com>