Merge pull request #9793 from smlng/pr/netstats_l2

cpu/cc2538/radio/cc2538_rf_netdev.c

cpu/esp32/esp-eth/esp_eth_netdev.c

cpu/esp32/esp-wifi/esp_wifi_netdev.c

cpu/esp_common/esp-now/esp_now_netdev.c

cpu/native/netdev_tap/netdev_tap.c

cpu/native/socket_zep/socket_zep.c

cpu/nrf5x_common/radio/nrfble/nrfble.c

cpu/nrf5x_common/radio/nrfmin/nrfmin.c

drivers/at86rf2xx/at86rf2xx_netdev.c

drivers/cc1xxx_common/gnrc_netif_cc1xxx.c

drivers/cc2420/cc2420_netdev.c

drivers/enc28j60/enc28j60.c

drivers/encx24j600/encx24j600.c

drivers/include/net/netdev.h

drivers/include/xbee.h

drivers/kw2xrf/kw2xrf_netdev.c

drivers/mrf24j40/mrf24j40_netdev.c

drivers/netdev_eth/netdev_eth.c

drivers/netdev_ieee802154/netdev_ieee802154.c

drivers/xbee/gnrc_xbee.c