This patch add max_burst to dma_get_slave_caps for clients
to get the burst capability of slave dma controller.
Signed-off-by: NShawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: NCaesar Wang <wxt@rock-chips.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>