i40e/i40evf: User ether_addr_copy instead of memcpy

Linux gives us a function to copy Ethernet MAC addresses, let's use it.

Change-ID: I0c861900029ca5ea65a53ca39565852fb633f6fd
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --cc drivers/net/ethernet/intel/i40e/i40e_main.c
Simple merge

diff --cc drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
Simple merge

diff --cc drivers/net/ethernet/intel/i40evf/i40evf_main.c
Simple merge

diff --cc drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
Simple merge