[Bugfix]Update netdev info after registered

修复ifconfig命令无法正确显示IP，网关，掩码的问题

components/net/lwip-1.4.1/src/netif/ethernetif.c

@@ -295,12 +295,6 @@ static int netdev_add(struct netif *lwip_netif)
         return -ERR_IF;
     }
 
-    netdev->flags = lwip_netif->flags;
-    netdev->mtu = lwip_netif->mtu;
-    netdev->ops = &lwip_netdev_ops;
-    netdev->hwaddr_len =  lwip_netif->hwaddr_len;
-    rt_memcpy(netdev->hwaddr, lwip_netif->hwaddr, lwip_netif->hwaddr_len);
-
 #ifdef SAL_USING_LWIP
     extern int sal_lwip_netdev_set_pf_info(struct netdev *netdev);
     /* set the lwIP network interface device protocol family information */
@@ -309,7 +303,17 @@ static int netdev_add(struct netif *lwip_netif)
 
     rt_strncpy(name, lwip_netif->name, LWIP_NETIF_NAME_LEN);
     result = netdev_register(netdev, name, (void *)lwip_netif);
-
+    
+    /* Update netdev info after registered */
+    netdev->flags = lwip_netif->flags;
+    netdev->mtu = lwip_netif->mtu;
+    netdev->ops = &lwip_netdev_ops;
+    netdev->hwaddr_len =  lwip_netif->hwaddr_len;
+    rt_memcpy(netdev->hwaddr, lwip_netif->hwaddr, lwip_netif->hwaddr_len);
+    netdev->ip_addr = lwip_netif->ip_addr;
+    netdev->gw = lwip_netif->gw;
+    netdev->netmask = lwip_netif->netmask;
+	
 #ifdef RT_LWIP_DHCP
     netdev_low_level_set_dhcp_status(netdev, RT_TRUE);
 #endif