fix(CLI): fix file configuration option

* Change name, so to not collide with --conf
* Fix test for values

bin/FofbTool

@@ -35,7 +35,7 @@ if __name__ == '__main__':
     parser.add_argument("--force", action="store_true",
             help="Force operation even if FOFB is running.")
 
-    parser.add_argument("--conf-file", type=str,
+    parser.add_argument("--fileconfig", type=str,
             help="Path to config file to apply.")
 
     parser.add_argument("--DS-init-opcua", action="store_true",
@@ -71,8 +71,8 @@ if __name__ == '__main__':
 
     logger.debug(args)
 
-    if "conf_file" in args:
-        FofbTool.Configuration.loadconfig(args.conf_file)
+    if not args.fileconfig is None:
+        FofbTool.Configuration.loadconfig(args.fileconfig)
     FofbTool.Configuration.logdebugconf()
 
     ## Check running