netutils: Check lo by CONFIG_NET_LOOPBACK not CONFIG_NET_LOCAL
CONFIG_NET_LOCAL is used to enable Unix Domain Socket
#elif defined(CONFIG_NET_TUN)
# define NET_DEVNAME "tun0"
# define NETINIT_HAVE_NETDEV
-#elif defined(CONFIG_NET_LOCAL)
+#elif defined(CONFIG_NET_LOOPBACK)
# define NET_DEVNAME "lo"
# define NETINIT_HAVE_NETDEV
#elif defined(CONFIG_NET_CAN)
