clicker2-stm32: mrf24j40-6lowpan configuration needs to enabled the ieee...

clicker2-stm32: mrf24j40-6lowpan configuration needs to enabled the ieee 802.15.4 MAC network device as well.

configs/clicker2-stm32/mrf24j40-6lowpan/defconfig

@@ -810,7 +810,8 @@ CONFIG_NETDEV_TELNET=y
 CONFIG_TELNET_RXBUFFER_SIZE=256
 CONFIG_TELNET_TXBUFFER_SIZE=256
 # CONFIG_NETDEV_MULTINIC is not set
-# CONFIG_ARCH_HAVE_NETDEV_STATISTICS is not set
+CONFIG_ARCH_HAVE_NETDEV_STATISTICS=y
+CONFIG_NETDEV_STATISTICS=y
 CONFIG_NETDEV_LATEINIT=y
 
 #
@@ -1141,7 +1142,8 @@ CONFIG_MAC802154_HPWORK=y
 CONFIG_IEEE802154_NTXDESC=3
 CONFIG_IEEE802154_IND_PREALLOC=20
 CONFIG_IEEE802154_IND_IRQRESERVE=10
-# CONFIG_IEEE802154_NETDEV is not set
+CONFIG_IEEE802154_NETDEV=y
+CONFIG_IEEE802154_NETDEV_HPWORK=y
 # CONFIG_IEEE802154_LOOPBACK is not set
 
 #