update overlay files with better node names

Use node names that better illustrate the role of each node

Signed-off-by: Mike Szczys <mike@golioth.io>

Author: szczys

03_LED/boards/nrf7002dk_nrf5340_cpuapp.overlay

@@ -1,12 +1,16 @@
 / {
 	aliases {
-		mynode = &nodelabel;
+		alias-name = &subnode_nodelabel;
 	};
 
 
-	nodelabel: nodepath {
+	child-node-path {
 		compatible = "zephyr,fake-eeprom";
-		size = <0>;
+
+		size = <0>; /* property required by zephyr,fake-eprom binding */
+
+		subnode_nodelabel: subnode-path {
+			foo = <3>;
+		};
 	};
 };
-

03_LED/boards/nrf9160dk_nrf9160_ns.overlay

@@ -1,12 +1,16 @@
 / {
 	aliases {
-		mynode = &nodelabel;
+		alias-name = &subnode_nodelabel;
 	};
 
 
-	nodelabel: nodepath {
+	child-node-path {
 		compatible = "zephyr,fake-eeprom";
-		size = <0>;
+
+		size = <0>; /* property required by zephyr,fake-eprom binding */
+
+		subnode_nodelabel: subnode-path {
+			foo = <3>;
+		};
 	};
 };
-

04_blinkRTOS/boards/nrf7002dk_nrf5340_cpuapp.overlay

@@ -1,15 +1,14 @@
 / {
 	aliases {
-		training-led = &ledn2;
+		training-led = &led2_subnode_label;
 	};
 
 
-	trainingleds: tled {
+	led_childnode: led_childnode_path {
 		compatible = "gpio-leds";
 
-		ledn2: led_number_2 {
+		led2_subnode_label: led2_path {
 			gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
-	       };
+	       	};
 	};
 };
-

04_blinkRTOS/boards/nrf9160dk_nrf9160_ns.overlay

@@ -1,15 +1,14 @@
 / {
 	aliases {
-		training-led = &ledn2;
+		training-led = &led2_subnode_label;
 	};
 
 
-	trainingleds: tled {
+	led_childnode: led_childnode_path {
 		compatible = "gpio-leds";
 
-		ledn2: led_number_2 {
+		led2_subnode_label: led2_path {
 			gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
-	       };
+	       	};
 	};
 };
-

05_golioth/boards/nrf7002dk_nrf5340_cpuapp.overlay

@@ -1,15 +1,14 @@
 / {
 	aliases {
-		training-led = &ledn2;
+		training-led = &led2_subnode_label;
 	};
 
 
-	trainingleds: tled {
+	led_childnode_path {
 		compatible = "gpio-leds";
 
-		ledn2: led_number_2 {
+		led2_subnode_label: led2_path {
 			gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
-	       };
+	       	};
 	};
 };
-

05_golioth/boards/nrf9160dk_nrf9160_ns.overlay

@@ -1,15 +1,14 @@
 / {
 	aliases {
-		training-led = &ledn2;
+		training-led = &led2_subnode_label;
 	};
 
 
-	trainingleds: tled {
+	led_childnode_path {
 		compatible = "gpio-leds";
 
-		ledn2: led_number_2 {
+		led2_subnode_label: led2_path {
 			gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
-	       };
+	       	};
 	};
 };
-