dhcp: set LWIP_DHCP_DISCOVER_ADD_HOSTNAME==1 by DEFAULT_ACCEPTMBOX_SIZE

see bug #63457

src/include/lwip/opt.h

@@ -969,12 +969,12 @@
 #define LWIP_DHCP_MAX_DNS_SERVERS       DNS_MAX_SERVERS
 #endif
 
-/** LWIP_DHCP_DISCOVER_ADD_HOSTNAME: Set to 1 to include hostname opt in discover packets.
+/** LWIP_DHCP_DISCOVER_ADD_HOSTNAME: Set to 0 to not include hostname opt in discover packets.
  * If the hostname is not set in the DISCOVER packet, then some servers might issue an OFFER with hostname
  * configured and consequently reject the REQUEST with any other hostname.
  */
 #if !defined LWIP_DHCP_DISCOVER_ADD_HOSTNAME || defined __DOXYGEN__
-#define LWIP_DHCP_DISCOVER_ADD_HOSTNAME 0
+#define LWIP_DHCP_DISCOVER_ADD_HOSTNAME 1
 #endif /* LWIP_DHCP_DISCOVER_ADD_HOSTNAME */
 /**
  * @}