Disable i40e AVX512 code path for Windows build to
avoid the MinGW build error:
Error: invalid register for .seh_savexmm
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Tested-by: Pallavi Kadam <pallavi.kadam@intel.com>
Tested-by: David Marchand <david.marchand@redhat.com>