Update repo

apps/03_adc_pa1_poll/boards/nucleo_f767zi.overlay

@@ -0,0 +1,25 @@
+/ {
+    aliases {
+        led0 = &red_led;
+        led1 = &blue_led;
+        led2 = &green_led;
+		sw0 = &user_button0;
+    };
+	
+	gpio_keys {
+		compatible = "gpio-keys";
+		
+		user_button0: button {
+			label = "Button";
+			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
+			zephyr,code = <INPUT_KEY_0>;
+		};
+	};
+};
+
+&adc1{
+    pinctrl-0 = <&adc1_in1_pa1>;
+    pinctrl-names = "default";
+	st,adc-prescaler = <4>;
+	status = "okay";
+};

apps/03_adc_pa1_poll/boards/stm32f4_disco.overlay

@@ -0,0 +1,16 @@
+/ {
+    aliases {
+        led0 = &red_led_5;
+        led1 = &blue_led_6;
+        led2 = &green_led_4;
+        led3 = &orange_led_3;
+		sw0 = &user_button;
+    };
+};
+
+&adc1{
+    pinctrl-0 = <&adc1_in1_pa1>;
+    pinctrl-names = "default";
+	st,adc-prescaler = <4>;
+	status = "okay";
+};