Add check if CFG_TUSB_MCU is already defined

Author: me-no-dev

components/arduino_tinyusb/include/tusb_config.h

@@ -75,8 +75,9 @@ extern "C" {
 /*                      */
 /* COMMON CONFIGURATION */
 /*                      */
-
+#ifndef CFG_TUSB_MCU
 #define CFG_TUSB_MCU				OPT_MCU_ESP32S2
+#endif
 #define CFG_TUSB_RHPORT0_MODE       OPT_MODE_DEVICE
 #define CFG_TUSB_OS                 OPT_OS_FREERTOS