ramips: mt7621: Fix some cosmetic DTC warnings

Node /cpus/cpu@0 has a unit name, but no reg property
Node /cpus/cpu@1 has a unit name, but no reg property
Node /cpuintc@0 has a unit name, but no reg property
Node /cpuclock@0 has a unit name, but no reg property
Node /sysclock@0 has a unit name, but no reg property
Node /pcie@1e140000/pcie0 missing ranges for PCI bridge (or not a bridge)
Node /pcie@1e140000/pcie0 missing bus-range for PCI bridge
Node /pcie@1e140000/pcie1 missing ranges for PCI bridge (or not a bridge)
Node /pcie@1e140000/pcie1 missing bus-range for PCI bridge
Node /pcie@1e140000/pcie2 missing ranges for PCI bridge (or not a bridge)
Node /pcie@1e140000/pcie2 missing bus-range for PCI bridge

Signed-off-by: Rosen Penev <rosenp@gmail.com>

target/linux/ramips/dts/mt7621.dtsi

@@ -6,16 +6,23 @@
 	compatible = "mediatek,mt7621-soc";
 
 	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		cpu@0 {
+			device_type = "cpu";
 			compatible = "mips,mips1004Kc";
+			reg = <0x0>;
 		};
 
 		cpu@1 {
+			device_type = "cpu";
 			compatible = "mips,mips1004Kc";
+			reg = <0x1>;
 		};
 	};
 
-	cpuintc: cpuintc@0 {
+	cpuintc: cpuintc {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;
 		interrupt-controller;
@@ -26,7 +33,7 @@
 		serial0 = &uartlite;
 	};
 
-	cpuclock: cpuclock@0 {
+	cpuclock: cpuclock {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 
@@ -34,7 +41,7 @@
 		clock-frequency = <880000000>;
 	};
 
-	sysclock: sysclock@0 {
+	sysclock: sysclock {
 		#clock-cells = <0>;
 		compatible = "fixed-clock";
 
@@ -457,8 +464,6 @@
 
 			#address-cells = <3>;
 			#size-cells = <2>;
-
-			device_type = "pci";
 		};
 
 		pcie1 {
@@ -466,8 +471,6 @@
 
 			#address-cells = <3>;
 			#size-cells = <2>;
-
-			device_type = "pci";
 		};
 
 		pcie2 {
@@ -475,8 +478,6 @@
 
 			#address-cells = <3>;
 			#size-cells = <2>;
-
-			device_type = "pci";
 		};
 	};
 };