Do not printf if debug is not enabled

components/tcpip_adapter/tcpip_adapter_lwip.c

@@ -85,7 +85,7 @@ esp_err_t tcpip_adapter_start(tcpip_adapter_if_t tcpip_if, uint8_t *mac, tcpip_a
         if (dhcps_status == TCPIP_ADAPTER_DHCP_INIT) {
             dhcps_start(esp_netif[tcpip_if], ip_info->ip);
 
-            printf("dhcp server start:(ip: " IPSTR ", mask: " IPSTR ", gw: " IPSTR ")\n",
+            TCPIP_ADAPTER_DEBUG("dhcp server start:(ip: " IPSTR ", mask: " IPSTR ", gw: " IPSTR ")\n",
                    IP2STR(&ip_info->ip), IP2STR(&ip_info->netmask), IP2STR(&ip_info->gw));
 
             dhcps_status = TCPIP_ADAPTER_DHCP_STARTED;