qlcnic: configure port on eswitch

o Nic partition capable devices has embedded switch, this needs to support
various features like external switch.

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>