[thci] fix for GRL TH1.1 Leader 5.5.2, Leader 5.5.3 (#7163)

tools/harness-thci/OpenThread.py

@@ -1413,7 +1413,9 @@ class OpenThreadTHCI(object):
         """
         print('%s call resetAndRejoin' % self)
         try:
-            self.reset_and_wait_for_connection(timeout=timeout)
+            self.powerDown()
+            time.sleep(timeout)
+            self.powerUp()
             self.__startOpenThread()
             return self.wait_for_attach_to_the_network(expected_role="", timeout=self.NETWORK_ATTACHMENT_TIMEOUT)
         except Exception as e:

tools/harness-thci/OpenThread_BR.py

@@ -287,7 +287,7 @@ class OpenThread_BR(OpenThreadTHCI, IThci):
     IsBorderRouter = True
 
     def _connect(self):
-        self.log("logining Raspberry Pi ...")
+        self.log("logging in to Raspberry Pi ...")
         self.__cli_output_lines = []
         self.__syslog_skip_lines = None
         self.__syslog_last_read_ts = 0