dma: coh901318: push header down into the DMA subsystem

The defines in U300's <mach/coh901318.h> are now only used by
the DMA engine driver itself, so move the header down into the
DMA subsystem.

Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 7fa54fb..1be69b8 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -22,8 +22,8 @@
 #include <linux/uaccess.h>
 #include <linux/debugfs.h>
 #include <linux/platform_data/dma-coh901318.h>
-#include <mach/coh901318.h>
 
+#include "coh901318.h"
 #include "coh901318_lli.h"
 #include "dmaengine.h"