ARM: davinci: Add dma_mask to eDMA devices

The upcoming change to merge the arch/arm/common/edma.c into
drivers/dma/edma.c will need this change when booting daVinci devices in
no DT mode.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index 79c1d89..70eb427 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -592,6 +592,7 @@
 static const struct platform_device_info dm646x_edma_device __initconst = {
 	.name		= "edma",
 	.id		= 0,
+	.dma_mask	= DMA_BIT_MASK(32),
 	.res		= edma_resources,
 	.num_res	= ARRAY_SIZE(edma_resources),
 	.data		= &dm646x_edma_pdata,