ARM: dts: Add Arria10 USB EDAC devicetree entry

Add the device tree entries needed to support the Altera USB
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/1468512408-5156-11-git-send-email-tthayer@opensource.altera.com
Signed-off-by: Borislav Petkov <bp@suse.de>

arch/arm/boot/dts/socfpga_arria10.dtsi

@@ -647,6 +647,14 @@
 				interrupts = <10 IRQ_TYPE_LEVEL_HIGH>,
 					     <42 IRQ_TYPE_LEVEL_HIGH>;
 			};
+
+			usb0-ecc@ff8c8800 {
+				compatible = "altr,socfpga-usb-ecc";
+				reg = <0xff8c8800 0x400>;
+				altr,ecc-parent = <&usb0>;
+				interrupts = <2 IRQ_TYPE_LEVEL_HIGH>,
+					     <34 IRQ_TYPE_LEVEL_HIGH>;
+			};
 		};
 
 		rst: rstmgr@ffd05000 {