qlcnic: update NIC partition interface routines

Refactor 82xx driver to support new adapter
Update routines to support variable number of NIC partitions

Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>