'ipn3ke_bridge_func' is a global variable and it used in net & raw
drivers.
It's only used for drivers, so change it from EXPERIMENTAL to INTERNAL.
Signed-off-by: Rosen Xu <rosen.xu@intel.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
Acked-by: Ray Kinsella <mdr@ashroe.eu>