fixup! boards/esp32s2-lilygo-ttgo-t8: completion of Arduino I/O mapping

Author: gschorcht

boards/esp32s2-lilygo-ttgo-t8/include/arduino_iomap.h

@@ -80,6 +80,20 @@ extern "C" {
 #define ARDUINO_PIN_DAC1    ARDUINO_PIN_21  /**< Arduino pin DAC1 */
 /** @} */
 
+/**
+ * @name    Mapping of Arduino analog pins to RIOT ADC lines
+ * @{
+ */
+#define ARDUINO_A0          ADC_LINE(0)     /**< ADC line for Arduino pin A0 */
+#define ARDUINO_A1          ADC_LINE(1)     /**< ADC line for Arduino pin A1 */
+#define ARDUINO_A2          ADC_LINE(2)     /**< ADC line for Arduino pin A2 */
+#define ARDUINO_A3          ADC_LINE(3)     /**< ADC line for Arduino pin A3 */
+#define ARDUINO_A4          ADC_LINE(5)     /**< ADC line for Arduino pin A4 */
+#define ARDUINO_A5          ADC_LINE(6)     /**< ADC line for Arduino pin A5 */
+
+#define ARDUINO_ANALOG_PIN_LAST 5
+/** @} */
+
 /**
  * @name    Mapping of Arduino DAC pins to RIOT DAC lines
  * @{