assign loglevel attribute in omniperf base class

Signed-off-by: Karl W Schulz <karl.schulz@amd.com>

src/omniperf_base.py

@@ -72,8 +72,8 @@ class Omniperf:
 
         self.set_version()
         self.parse_args()
-        setup_logging(self.__args.verbose)
-
+        self.__loglevel = setup_logging(self.__args.verbose)
+        setattr(self.__args, "loglevel", self.__loglevel)
         self.__mode = self.__args.mode
 
         if self.__mode == "profile":