As decided in https://github.com/RIOT-OS/RIOT/issues/10413 when netdev_driver_t::recv() is called with a too small buffer the incoming frame should be dropped and `-ENOBUFS` returned. This commit makes cc2420 compliant.
As decided in https://github.com/RIOT-OS/RIOT/issues/10413 when netdev_driver_t::recv() is called with a too small buffer the incoming frame should be dropped and `-ENOBUFS` returned. This commit makes cc2420 compliant.