fix: Added copyright notice on the servo_control.c file

Author: pedrominatel

components/motor/servo/examples/servo_control/main/servo_control.c

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 #include <stdio.h>
 #include <math.h>
 #include "freertos/FreeRTOS.h"
@@ -15,14 +21,13 @@ static const char *TAG = "Servo Control";
 static uint16_t calibration_value_0 = 30; // Real 0 degree angle
 uint16_t calibration_value_180 = 195; // Real 0 degree angle
 
-
 // Task to test the servo
 static void servo_test_task(void *arg)
 {
     ESP_LOGI(TAG, "Servo Test Task");
     while (1) {
         // Set the angle of the servo
-        for(int i = calibration_value_0; i <= calibration_value_180; i += 1) {
+        for (int i = calibration_value_0; i <= calibration_value_180; i += 1) {
             iot_servo_write_angle(LEDC_LOW_SPEED_MODE, 0, i);
             vTaskDelay(20 / portTICK_PERIOD_MS);
         }