mgmt: hawkbit: replace DNS_MAX_NAME_SIZE with DNS_RESOLVER_MAX_QUERY_LEN

The hawkbit subsystem was erroneously using DNS_MAX_NAME_SIZE as the
maximum query length. This limited query strings to only 20 bytes,
truncating many domain names.

Signed-off-by: Neal Jackson <neal@blueirislabs.com>

Author: nealjack

subsys/mgmt/hawkbit/hawkbit.c

@@ -78,7 +78,7 @@ static bool hawkbit_initialized;
 static struct hawkbit_config {
 	int32_t action_id;
 #ifdef CONFIG_HAWKBIT_SET_SETTINGS_RUNTIME
-	char server_addr[DNS_MAX_NAME_SIZE + 1];
+	char server_addr[CONFIG_DNS_RESOLVER_MAX_QUERY_LEN + 1];
 	char server_port[sizeof(STRINGIFY(__UINT16_MAX__))];
 #ifndef CONFIG_HAWKBIT_DDI_NO_SECURITY
 	char ddi_security_token[DDI_SECURITY_TOKEN_SIZE + 1];