renesas_usbhs dma can transport 8byte alignment data, not 4byte.
This patch fixup it.
Reported-by: NSugnan Prabhu S <sugnan.prabhu@renesasmobile.com>
Signed-off-by: NKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>