fix: Add upload flags to boards.txt for Twin AIoT Module to resolve upload error (espressif#11876)

Author: bekirr12

boards.txt

@@ -52353,6 +52353,8 @@ twinaiot.upload.tool.network=esp_ota
 
 twinaiot.upload.maximum_size=1310720
 twinaiot.upload.maximum_data_size=327680
+twinaiot.upload.flags=
+twinaiot.upload.extra_flags=
 twinaiot.upload.use_1200bps_touch=false
 twinaiot.upload.wait_for_upload_port=false