ARM: dts: Add Arria10 SD/MMC EDAC devicetree entry

Add the device tree entries needed to support the Altera SD/MMC
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/1470753653-23465-4-git-send-email-tthayer@opensource.altera.comSigned-off-by: Borislav Petkov <bp@suse.de>

arch/arm/boot/dts/socfpga_arria10_socdk_sdmmc.dts

@@ -25,3 +25,15 @@ &mmc {
 	broken-cd;
 	bus-width = <4>;
 };
+
+&eccmgr {
+	sdmmca-ecc@ff8c2c00 {
+		compatible = "altr,socfpga-sdmmc-ecc";
+		reg = <0xff8c2c00 0x400>;
+		altr,ecc-parent = <&mmc>;
+		interrupts = <15 IRQ_TYPE_LEVEL_HIGH>,
+			     <47 IRQ_TYPE_LEVEL_HIGH>,
+			     <16 IRQ_TYPE_LEVEL_HIGH>,
+			     <48 IRQ_TYPE_LEVEL_HIGH>;
+	};
+};