probe: pyusb_v2: fix rx_task setting the wrong *_thread_did_exit flag (#1824)

Author: crypto-lars

pyocd/probe/pydapaccess/interface/pyusb_v2_backend.py

@@ -2,6 +2,7 @@
 # Copyright (c) 2019-2021 Arm Limited
 # Copyright (c) 2021 mentha
 # Copyright (c) 2021-2023 Chris Reed
+# Copyright (c) 2025 Lars Häring
 # SPDX-License-Identifier: Apache-2.0
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -186,7 +187,7 @@ def rx_task(self):
             TRACE.debug("rx_task exception: %s", err)
             self._read_thread_exception = err
         finally:
-            self._swo_thread_did_exit = True
+            self._read_thread_did_exit = True
 
     def swo_rx_task(self):
         try: