i40e/i40evf: Big endian fixes for handling HMC

Fix HMC handling for big endian architectures.

Change-ID: Id8c46fc341815d47bfe0af8b819f0ab9a1e9e515
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --cc drivers/net/ethernet/intel/i40e/i40e_lan_hmc.c
Simple merge

diff --cc drivers/net/ethernet/intel/i40e/i40e_lan_hmc.h
Simple merge

diff --cc drivers/net/ethernet/intel/i40evf/i40e_lan_hmc.h
Simple merge