ARM: NSP: dts: fix NAND nodes names

This matches nand-controller.yaml requirements.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

arch/arm/boot/dts/bcm-nsp.dtsi

@@ -269,7 +269,7 @@ mailbox: mailbox@25c00 {
 			dma-coherent;
 		};
 
-		nand: nand@26000 {
+		nand_controller: nand-controller@26000 {
 			compatible = "brcm,nand-iproc", "brcm,brcmnand-v6.1";
 			reg = <0x026000 0x600>,
 			      <0x11b408 0x600>,

arch/arm/boot/dts/bcm958522er.dts

@@ -74,8 +74,8 @@ &ehci0 {
 	status = "okay";
 };
 
-&nand {
-	nandcs@0 {
+&nand_controller {
+	nand@0 {
 		compatible = "brcm,nandcs";
 		reg = <0>;
 		nand-on-flash-bbt;

arch/arm/boot/dts/bcm958525er.dts

@@ -74,8 +74,8 @@ &ehci0 {
 	status = "okay";
 };
 
-&nand {
-	nandcs@0 {
+&nand_controller {
+	nand@0 {
 		compatible = "brcm,nandcs";
 		reg = <0>;
 		nand-on-flash-bbt;

arch/arm/boot/dts/bcm958525xmc.dts

@@ -90,8 +90,8 @@ rtc@68 {
 	};
 };
 
-&nand {
-	nandcs@0 {
+&nand_controller {
+	nand@0 {
 		compatible = "brcm,nandcs";
 		reg = <0>;
 		nand-on-flash-bbt;

arch/arm/boot/dts/bcm958622hr.dts

@@ -78,8 +78,8 @@ &ehci0 {
 	status = "okay";
 };
 
-&nand {
-	nandcs@0 {
+&nand_controller {
+	nand@0 {
 		compatible = "brcm,nandcs";
 		reg = <0>;
 		nand-on-flash-bbt;

arch/arm/boot/dts/bcm958623hr.dts

@@ -78,8 +78,8 @@ &ehci0 {
 	status = "okay";
 };
 
-&nand {
-	nandcs@0 {
+&nand_controller {
+	nand@0 {
 		compatible = "brcm,nandcs";
 		reg = <0>;
 		nand-on-flash-bbt;

arch/arm/boot/dts/bcm958625hr.dts

@@ -89,8 +89,8 @@ &ehci0 {
 	status = "okay";
 };
 
-&nand {
-	nandcs@0 {
+&nand_controller {
+	nand@0 {
 		compatible = "brcm,nandcs";
 		reg = <0>;
 		nand-on-flash-bbt;

arch/arm/boot/dts/bcm958625k.dts

@@ -68,8 +68,8 @@ &ehci0 {
 	status = "okay";
 };
 
-&nand {
-	nandcs@0 {
+&nand_controller {
+	nand@0 {
 		compatible = "brcm,nandcs";
 		reg = <0>;
 		nand-on-flash-bbt;

arch/arm/boot/dts/bcm988312hr.dts

@@ -74,8 +74,8 @@ &ehci0 {
 	status = "okay";
 };
 
-&nand {
-	nandcs@0 {
+&nand_controller {
+	nand@0 {
 		compatible = "brcm,nandcs";
 		reg = <0>;
 		nand-on-flash-bbt;