Newer Linksys boards might come with a Winbond W29N02GV which can be
configured in different ways. Make sure we configure it the same way
as the older chips so everything keeps working.

Signed-off-by: Imre Kaloz <kaloz@openwrt.org>

--- a/arch/arm/boot/dts/armada-385-linksys.dtsi
+++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
@@ -185,6 +185,8 @@
 	/* 128MiB or 256MiB */
 	status = "okay";
 	num-cs = <1>;
+	nand-ecc-strength = <4>;
+	nand-ecc-step-size = <512>;
 	marvell,nand-keep-config;
 	marvell,nand-enable-arbiter;
 	nand-on-flash-bbt;