Reimplement Huawei SmartAX autodetect

Author: ktbyers

netmiko/ssh_autodetect.py

@@ -315,6 +315,12 @@
         "priority": 99,
         "dispatch": "_autodetect_std",
     },
+    "huawei_smartax": {
+        "cmd": "display version",
+        "search_patterns": [r"Huawei Integrated Access Software"],
+        "priority": 99,
+        "dispatch": "_autodetect_std",
+    },
 }
 
 # Sort SSH_MAPPER_DICT such that the most common commands are first
@@ -537,6 +543,7 @@ def _autodetect_std(
             r"command not found",
             r"Syntax Error: unexpected argument",
             r"% Unrecognized command found at",
+            r"% Unknown command, the error locates at",
         ]
         if not cmd or not search_patterns:
             return 0