Add missing parameters in get_config vyos (#50855)

Signed-off-by: Trishna Guha <trishnaguha17@gmail.com>
(cherry picked from commit fc0f20a)

lib/ansible/module_utils/network/vyos/vyos.py

@@ -90,15 +90,16 @@ def get_capabilities(module):
     return module._vyos_capabilities
 
 
-def get_config(module):
+def get_config(module, flags=None, format=None):
+    flags = [] if flags is None else flags
     global _DEVICE_CONFIGS
 
     if _DEVICE_CONFIGS != {}:
         return _DEVICE_CONFIGS
     else:
         connection = get_connection(module)
         try:
-            out = connection.get_config()
+            out = connection.get_config(flags=flags, format=format)
         except ConnectionError as exc:
             module.fail_json(msg=to_text(exc, errors='surrogate_then_replace'))
         cfg = to_text(out, errors='surrogate_then_replace').strip()