Make the class name and the file name match

Change-Id: I752181db259b6284913b37429a4dadd9fa8889be
diff --git a/drivers/Mellanox.py b/drivers/Mellanox.py
index 0bbf9f9..dbdd104 100644
--- a/drivers/Mellanox.py
+++ b/drivers/Mellanox.py
@@ -34,7 +34,7 @@
 from errors import InputError, PExpectError
 from drivers.common import SwitchDriver, SwitchErrors
 
-class MlnxOS(SwitchDriver):
+class Mellanox(SwitchDriver):
 
     connection = None
     _username = None