Description of configuration options for mlnx

Configuration option=Default value	(Type) Description
daemon_endpoint=tcp://127.0.0.1:5001	(StrOpt) eswitch daemon end point
request_timeout=3000	(IntOpt) The number of milliseconds the agent will wait for response on request to daemon.
vnic_type=direct	(StrOpt) type of VM network interface: direct or hosdev