ixgbe: Add support for 82599-based CX4 adapters

This patch adds support for CX4 adapters based on 82599.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc drivers/net/ixgbe/ixgbe_82599.c
Simple merge

diff --cc drivers/net/ixgbe/ixgbe_main.c
Simple merge

diff --cc drivers/net/ixgbe/ixgbe_type.h
Simple merge