Added support for returning peer address from socket_accept

Author: geky

ESP8266Interface.cpp

@@ -155,7 +155,7 @@ int ESP8266Interface::socket_connect(void *handle, const SocketAddress &addr)
     return 0;
 }
 
-int ESP8266Interface::socket_accept(void **handle, void *server)
+int ESP8266Interface::socket_accept(void *server, void **socket, SocketAddress *addr)
 {
     return NSAPI_ERROR_UNSUPPORTED;
 }

ESP8266Interface.h

@@ -112,7 +112,7 @@ class ESP8266Interface : public NetworkStack, public WiFiInterface
      *  @note This call is not-blocking, if this call would block, must
      *        immediately return NSAPI_ERROR_WOULD_WAIT
      */
-    virtual int socket_accept(void **handle, void *server);
+    virtual int socket_accept(void *handle, void **socket, SocketAddress *address);
 
     /** Send data to the remote host
      *  @param handle       Socket handle