Add the devicetree nodes for the DMA core of the JZ4740 SoC, disabled by default, as currently there are no clients for the DMA driver (until the MMC driver and/or others get a devicetree node). Signed-off-by: Paul Cercueil <paul@crapouillou.net> Tested-by: Mathieu Malaterre <malat@debian.org> Acked-by: Paul Burton <paul.burton@mips.com> Signed-off-by: Vinod Koul <vkoul@kernel.org>