Include load_devices keyword argument

Author: puddly

zigpy_znp/api.py

@@ -225,7 +225,7 @@ async def load_network_info(self, *, load_devices=False):
         """
 
         try:
-            await self._load_network_info()
+            await self._load_network_info(load_devices=load_devices)
         except KeyError as e:
             raise NetworkNotFormed() from e