esp_netif/lwip: Implement basic support for vanilla-lwip (2.1.3-REL)

* Reference lwip-2.1.3-REL vanilla lwip version
* Use inherent NETIF callbacks instead of dhcp/ipv6/autoip

components/lwip/port/esp32/include/sys/socket.h

@@ -30,6 +30,7 @@
  *
  */
 
+#include "esp_cpp_sockets.h"
 #include "lwip/sockets.h"
 /*
 	SOMAXCONN is expected to be found in this header too,