ixgbe: add support for X550 extended RSS support

The new X550 family of MAC's will have a larger RSS hash (16 -> 64).
It will also support individual VF to have their own independent RSS
hash key.  This patch will enable this functionality

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --cc drivers/net/ethernet/intel/ixgbe/ixgbe.h
Simple merge

diff --cc drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
Simple merge

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

diff --cc drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
Simple merge

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