When using DMA, dwc2 requires buffers to be 4 bytes aligned. Use
bounce buffers if they are not.
Tested-by: NRobert Baldyga <r.baldyga@samsung.com>
Acked-by: NJohn Youn <johnyoun@synopsys.com>
Signed-off-by: NMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>