This patch removes all the omap4 specific dma request
lines defines from plat/dma.h and includes dma-44xx.h

The defines are aligned so no driver should be impacted
because of this change.
Signed-off-by: NSantosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: NKevin Hilman <khilman@deeprootsystems.com>
Reviewed-by: NPaul Walmsley <paul@pwsan.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>