Turn off Odin testing by default

tools/test_configs/__init__.py

@@ -28,6 +28,8 @@ def get_config_path(conf_name, target_name):
 def get_default_config(target_name):
     if target_name in TARGET_CONFIGS:
         config_name = TARGET_CONFIGS[target_name]['default_test_configuration']
+        if config_name == "NONE":
+            return None
         return join(CONFIG_DIR, CONFIG_MAP[config_name])
     else:
         return None

tools/test_configs/target_configs.json

@@ -1,6 +1,6 @@
 {
     "UBLOX_EVK_ODIN_W2": {
-        "default_test_configuration": "ODIN_ETHERNET",
+        "default_test_configuration": "NONE",
         "test_configurations": ["ODIN_WIFI", "ODIN_ETHERNET"]
     },
     "K64F": {