ixgbe: Include offloaded FCoE data into total rx/tx statistics for 82599

Include offloaded FCoE data into total rx/tx statistics for 82599 so they
are properly reflected by ethtool or ifconfig.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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

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

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