32 Bit DMA/ADMA Access
32 Bit Size
Support ADMA End Descriptor in current chain
	(no need for dummy entry)
Signed-off-by: NPhilip Rakity <prakity@marvell.com>
Tested-by: NChris Ball <cjb@laptop.org>
Signed-off-by: NChris Ball <cjb@laptop.org>