ports: Fix lwIP config setting to disable DHCP ARP check.

lwIP was recently updated in a89ac9e to STABLE-2_2_0_RELEASE, and this introduced a change in the configuration variable `DHCP_DOES_ARP_CHECK`, renaming it to `LWIP_DHCP_DOES_ACD_CHECK`. This commit fixes the ports lwIP settings to use the new configuration option. Without this option, connecting to a WiFi access-point takes about 12.5 seconds. With this option (ie disabling DHCP ARP checks) connecting takes about 4 seconds. Tested on an RPI_PICO_W and PYBD_SF2. Signed-off-by: Damien George <damien@micropython.org>

Author: dpgeorge

ports/mimxrt/lwip_inc/lwipopts.h

@@ -28,7 +28,7 @@
 #define LWIP_IPV6 0
 #define LWIP_DHCP 1
 #define LWIP_DHCP_CHECK_LINK_UP 1
-#define DHCP_DOES_ARP_CHECK  0 // to speed DHCP up
+#define LWIP_DHCP_DOES_ACD_CHECK 0 // to speed DHCP up
 #define LWIP_DNS 1
 #define LWIP_DNS_SUPPORT_MDNS_QUERIES 1
 #define LWIP_MDNS_RESPONDER 1

ports/renesas-ra/lwip_inc/lwipopts.h

@@ -26,7 +26,7 @@
 #define LWIP_IPV6 0
 #define LWIP_DHCP 1
 #define LWIP_DHCP_CHECK_LINK_UP 1
-#define DHCP_DOES_ARP_CHECK  0 // to speed DHCP up
+#define LWIP_DHCP_DOES_ACD_CHECK 0 // to speed DHCP up
 #define LWIP_DNS 1
 #define LWIP_DNS_SUPPORT_MDNS_QUERIES 1
 #define LWIP_MDNS_RESPONDER 1

ports/rp2/lwip_inc/lwipopts.h

@@ -32,7 +32,7 @@
 #define LWIP_ND6_QUEUEING 0
 #define LWIP_DHCP 1
 #define LWIP_DHCP_CHECK_LINK_UP 1
-#define DHCP_DOES_ARP_CHECK  0 // to speed DHCP up
+#define LWIP_DHCP_DOES_ACD_CHECK 0 // to speed DHCP up
 #define LWIP_DNS 1
 #define LWIP_DNS_SUPPORT_MDNS_QUERIES 1
 #define LWIP_MDNS_RESPONDER 1

ports/stm32/lwip_inc/lwipopts.h

@@ -30,7 +30,7 @@
 #define LWIP_IPV6 0
 #define LWIP_DHCP 1
 #define LWIP_DHCP_CHECK_LINK_UP 1
-#define DHCP_DOES_ARP_CHECK  0 // to speed DHCP up
+#define LWIP_DHCP_DOES_ACD_CHECK 0 // to speed DHCP up
 #define LWIP_DNS 1
 #define LWIP_DNS_SUPPORT_MDNS_QUERIES 1
 #define LWIP_MDNS_RESPONDER 1