[CFT 05/11] mmc: omap: remove private DMA API implementation

[Tony Lindgren]

* Russell King <rmk+kernel at arm.linux.org.uk> [120607 04:12]:
> Remove the private DMA API implementation from omap, making it use
> entirely the DMA engine API.
> 
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>

Tested-by: Tony Lindgren <tony at atomide.com>