drivers/net: build i40e and mlx5 on Windows

drivers/net: build i40e and mlx5 on Windows

Allows i40e and mlx5 PMDs to compile on Windows and disable other drivers.

Disable few i40e warnings with Clang such as comparison of integers of
different signs and macro redefinitions.

Signed-off-by: Pallavi Kadam <pallavi.kadam@intel.com>
Reviewed-by: Ranjit Menon <ranjit.menon@intel.com>
Acked-by: Tal Shnaiderman <talshn@nvidia.com>
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>