ARM: dts: bcm283x: Fix DTC warning for memory node

Compiling the bcm283x DTS with W=1 leads to the following warning:

Warning (unit_address_vs_reg): /memory: node has a reg or ranges property,
but no unit name

Fix this by adding the unit address.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>

arch/arm/boot/dts/bcm2835-rpi.dtsi

@@ -1,7 +1,7 @@
 #include <dt-bindings/power/raspberrypi-power.h>
 
 / {
-	memory {
+	memory@0 {
 		device_type = "memory";
 		reg = <0 0x10000000>;
 	};

arch/arm/boot/dts/bcm2836-rpi-2-b.dts

@@ -9,7 +9,7 @@
 	compatible = "raspberrypi,2-model-b", "brcm,bcm2836";
 	model = "Raspberry Pi 2 Model B";
 
-	memory {
+	memory@0 {
 		reg = <0 0x40000000>;
 	};
 

arch/arm/boot/dts/bcm2837-rpi-3-a-plus.dts

@@ -13,7 +13,7 @@
 		stdout-path = "serial1:115200n8";
 	};
 
-	memory {
+	memory@0 {
 		reg = <0 0x20000000>;
 	};
 

arch/arm/boot/dts/bcm2837-rpi-3-b-plus.dts

@@ -14,7 +14,7 @@
 		stdout-path = "serial1:115200n8";
 	};
 
-	memory {
+	memory@0 {
 		reg = <0 0x40000000>;
 	};
 

arch/arm/boot/dts/bcm2837-rpi-3-b.dts

@@ -14,7 +14,7 @@
 		stdout-path = "serial1:115200n8";
 	};
 
-	memory {
+	memory@0 {
 		reg = <0 0x40000000>;
 	};
 

arch/arm/boot/dts/bcm2837-rpi-cm3.dtsi

@@ -4,7 +4,7 @@
 #include "bcm2836-rpi.dtsi"
 
 / {
-	memory {
+	memory@0 {
 		reg = <0 0x40000000>;
 	};