fix(panic): pass the DUT serial port to espcoredump

tools/test_apps/system/panic/panic_base/test_panic_util/panic_dut.py

@@ -155,6 +155,8 @@ class PanicTestDut(IdfDut):
         espcoredump_args = [
             sys.executable,
             espcoredump_script,
+            '--port',
+            self.serial.port,
             '-b115200',
             'info_corefile',
         ]