mmc: sh_mmcif: add support for Device Tree DMA bindings

To use DMA in the Device Tree case the driver has to be modified
to use suitable API to obtain DMA channels.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
1 file changed