Corrected TCPServer reporting as per review comments

Author: deepikabhavnani

features/netsocket/TCPServer.cpp

@@ -53,8 +53,8 @@ nsapi_error_t TCPServer::accept(TCPSocket *connection, SocketAddress *address)
             connection->_socket = socket;
             connection->_event = Callback<void()>(connection, &TCPSocket::event);
             _stack->socket_attach(socket, &Callback<void()>::thunk, &connection->_event);
-            _socket_stats.stats_update_peer(this, *address);
-            _socket_stats.stats_update_socket_state(this, SOCK_OPEN);
+            _socket_stats.stats_update_peer(connection, *address);
+            _socket_stats.stats_update_socket_state(connection, SOCK_CONNECTED);
             connection->_lock.unlock();
             break;
         } else if ((_timeout == 0) || (ret != NSAPI_ERROR_WOULD_BLOCK)) {