ARM: dts: Add Arria10 DMA EDAC devicetree entry

Add the device tree entries needed to support the Altera DMA
FIFO buffer EDAC on the Arria10 chip.
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: devicetree@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1468512408-5156-10-git-send-email-tthayer@opensource.altera.comSigned-off-by: Borislav Petkov <bp@suse.de>

arch/arm/boot/dts/socfpga_arria10.dtsi

@@ -639,6 +639,14 @@ emac0-tx-ecc@ff8c0c00 {
 				interrupts = <5 IRQ_TYPE_LEVEL_HIGH>,
 					     <37 IRQ_TYPE_LEVEL_HIGH>;
 			};
+
+			dma-ecc@ff8c8000 {
+				compatible = "altr,socfpga-dma-ecc";
+				reg = <0xff8c8000 0x400>;
+				altr,ecc-parent = <&pdma>;
+				interrupts = <10 IRQ_TYPE_LEVEL_HIGH>,
+					     <42 IRQ_TYPE_LEVEL_HIGH>;
+			};
 		};
 
 		rst: rstmgr@ffd05000 {