ARM: zynq: Fix W=1 dtc 1.4 warnings

The patch removes these warnings reported by dtc 1.4:
Warning (unit_address_vs_reg): Node /pmu has a reg or ranges property,
but no unit name
Warning (unit_address_vs_reg): Node /fixedregulator@0 has a unit name,
but no reg property
Warning (unit_address_vs_reg): Node /memory has a reg or ranges
property, but no unit name

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Julia Cartwright <julia@ni.com>
Series-to: arm-soc

arch/arm/boot/dts/zynq-7000.dtsi

@@ -42,14 +42,14 @@
 		};
 	};
 
-	pmu {
+	pmu@f8891000 {
 		compatible = "arm,cortex-a9-pmu";
 		interrupts = <0 5 4>, <0 6 4>;
 		interrupt-parent = <&intc>;
 		reg = < 0xf8891000 0x1000 0xf8893000 0x1000 >;
 	};
 
-	regulator_vccpint: fixedregulator@0 {
+	regulator_vccpint: fixedregulator {
 		compatible = "regulator-fixed";
 		regulator-name = "VCCPINT";
 		regulator-min-microvolt = <1000000>;

arch/arm/boot/dts/zynq-parallella.dts

@@ -28,7 +28,7 @@
 		serial0 = &uart1;
 	};
 
-	memory {
+	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x40000000>;
 	};

arch/arm/boot/dts/zynq-zc702.dts

@@ -24,7 +24,7 @@
 		serial0 = &uart1;
 	};
 
-	memory {
+	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x40000000>;
 	};

arch/arm/boot/dts/zynq-zc706.dts

@@ -24,7 +24,7 @@
 		serial0 = &uart1;
 	};
 
-	memory {
+	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x40000000>;
 	};

arch/arm/boot/dts/zynq-zed.dts

@@ -23,7 +23,7 @@
 		serial0 = &uart1;
 	};
 
-	memory {
+	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x20000000>;
 	};

arch/arm/boot/dts/zynq-zybo.dts

@@ -23,7 +23,7 @@
 		serial0 = &uart1;
 	};
 
-	memory {
+	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x20000000>;
 	};