Update platformio.ini

Fix upload_... -> ota_upload_...

code/platformio.ini

@@ -1481,8 +1481,8 @@ build_flags = ${common.build_flags_1m0m} -DNEXETE_A19
 [env:generic-nexete-a19-ota]
 board = ${common.board_1m}
 build_flags = ${common.build_flags_1m0m} -DNEXETE_A19
-upload_port = ${common.upload_port}
-upload_flags = ${common.upload_flags}
+upload_port = ${common.ota_upload_port}
+upload_flags = ${common.ota_upload_flags}
 
 [env:psh-wifi-plug]
 board = ${common.board_1m}