ARM: dts: mvebu: 98dx3236: Rename nand controller node

Update the 98dx3236 SoC and dependent boards to use
"nand-controller" instead of "nand".

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
diff --git a/arch/arm/boot/dts/armada-xp-db-dxbc2.dts b/arch/arm/boot/dts/armada-xp-db-dxbc2.dts
index f42fc61..944e0a9 100644
--- a/arch/arm/boot/dts/armada-xp-db-dxbc2.dts
+++ b/arch/arm/boot/dts/armada-xp-db-dxbc2.dts
@@ -68,7 +68,7 @@
 	status = "okay";
 };
 
-&nand {
+&nand_controller {
 	status = "okay";
 	label = "pxa3xx_nand-0";
 	num-cs = <1>;