Refactor setup function to improve serial output and remove TODO comment regarding LEDC initialization

Author: hreikin

keyboard/keyboard.ino

@@ -32,11 +32,10 @@ void setup()
     Wire.onRequest(onRequest);
     Wire.begin((uint8_t)I2C_DEV_ADDR, SDA, SCL, 100000UL);
     Serial.println("Starting keyboard work!");
-    // TODO: Upstream this change to fix the error reported over serial by the keyboard: E (229) ledc: ledc_get_duty(740): LEDC is not initialized
     ledcSetup(KEYBOARD_BRIGHTNESS_CH, KEYBOARD_BRIGHTNESS_FREQ, KEYBOARD_BRIGHTNESS_RES);
     ledcAttachPin(KEYBOARD_BACKLIGHT_PIN, KEYBOARD_BRIGHTNESS_CH);
     ledcWrite(KEYBOARD_BRIGHTNESS_CH, KEYBOARD_BRIGHTNESS_DEFAULT);
-    Serial.println("4");
+    Serial.println("************************************");
     for (int x = 0; x < ROW_COUNT; x++) {
         Serial.print(rows[x]); Serial.println(" as input-pullup");
         pinMode(rows[x], INPUT);