arm: dts: Update nand node for bcmbca board dts

Update bcmbca dts to current nand node naming convention.

Changes in v2:
- Removed addition of nand-on-flash-bbt parameter

Signed-off-by: david regan <dregan@broadcom.com>
Reviewed-by: William Zhang <william.zhang@broadcom.com>
Reviewed-by: Anand Gore <anand.gore@broadcom.com>
diff --git a/arch/arm/dts/bcm96753ref.dts b/arch/arm/dts/bcm96753ref.dts
index ebc8c8e..c763358 100644
--- a/arch/arm/dts/bcm96753ref.dts
+++ b/arch/arm/dts/bcm96753ref.dts
@@ -64,19 +64,15 @@
 	status = "okay";
 };
 
-&nand {
+&nand_controller {
+	brcm,wp-not-connected;
 	status = "okay";
-	write-protect = <0>;
-	#address-cells = <1>;
-	#size-cells = <0>;
+};
 
-	nandcs@0 {
-		compatible = "brcm,nandcs";
-		reg = <0>;
-		nand-ecc-strength = <4>;
-		nand-ecc-step-size = <512>;
-		brcm,nand-oob-sector-size = <16>;
-	};
+&nandcs {
+	nand-ecc-strength = <4>;
+	nand-ecc-step-size = <512>;
+	brcm,nand-oob-sector-size = <16>;
 };
 
 &leds {
diff --git a/arch/arm/dts/bcm968360bg.dts b/arch/arm/dts/bcm968360bg.dts
index 1335f48..a5b30f4 100644
--- a/arch/arm/dts/bcm968360bg.dts
+++ b/arch/arm/dts/bcm968360bg.dts
@@ -62,19 +62,15 @@
 	status = "okay";
 };
 
-&nand {
+&nand_controller {
+	brcm,wp-not-connected;
 	status = "okay";
-	write-protect = <0>;
-	#address-cells = <1>;
-	#size-cells = <0>;
+};
 
-	nandcs@0 {
-		compatible = "brcm,nandcs";
-		reg = <0>;
-		nand-ecc-strength = <4>;
-		nand-ecc-step-size = <512>;
-		brcm,nand-oob-sector-size = <16>;
-	};
+&nandcs {
+	nand-ecc-strength = <4>;
+	nand-ecc-step-size = <512>;
+	brcm,nand-oob-sector-size = <16>;
 };
 
 &leds {
diff --git a/arch/arm/dts/bcm968580xref.dts b/arch/arm/dts/bcm968580xref.dts
index 9aa4587..7761602 100644
--- a/arch/arm/dts/bcm968580xref.dts
+++ b/arch/arm/dts/bcm968580xref.dts
@@ -62,19 +62,15 @@
 	status = "okay";
 };
 
-&nand {
+&nand_controller {
+	brcm,wp-not-connected;
 	status = "okay";
-	write-protect = <0>;
-	#address-cells = <1>;
-	#size-cells = <0>;
+};
 
-	nandcs@0 {
-		compatible = "brcm,nandcs";
-		reg = <0>;
-		nand-ecc-strength = <4>;
-		nand-ecc-step-size = <512>;
-		brcm,nand-oob-sector-size = <16>;
-	};
+&nandcs {
+	nand-ecc-strength = <4>;
+	nand-ecc-step-size = <512>;
+	brcm,nand-oob-sector-size = <16>;
 };
 
 &leds {