arm: mvebu: NAND support for DB-88F6820-AMC

Enable the NAND interface on this board.

Signed-off-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/dts/armada-385-amc.dts b/arch/arm/dts/armada-385-amc.dts
index 858138a..a5a8a7f 100644
--- a/arch/arm/dts/armada-385-amc.dts
+++ b/arch/arm/dts/armada-385-amc.dts
@@ -120,6 +120,14 @@
 					reg = <0>;
 				};
 			};
+
+			flash@d0000 {
+				status = "okay";
+				num-cs = <1>;
+				marvell,nand-keep-config;
+				marvell,nand-enable-arbiter;
+				nand-on-flash-bbt;
+			};
 		};
 
 		pcie-controller {