rpc: rpc method 'load_config' should need 2 parameters.

Change-Id: I7a47d2187d135353d7f843a815fcbbb87ac4523b
Signed-off-by: xuhuagen <huagenx.xu@intel.com>
Reviewed-on: https://review.gerrithub.io/406138
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

scripts/rpc/__init__.py

@@ -46,7 +46,7 @@ def save_config(client, args):
             file.write('\n')
 
 
-def load_config(args):
+def load_config(client, args):
     if not args.filename or args.filename == '-':
         config = json.load(sys.stdin)
     else: