pcmcia: pcmcia_config_loop() default CIS entry handling

Many drivers use the default CIS entry within their pcmcia_config_loop()
callback function. Therefore, factor the default CIS entry handling out.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index 04ece0b..c99dc5d 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -286,6 +286,7 @@
 
 static int axnet_configcheck(struct pcmcia_device *p_dev,
 			     cistpl_cftable_entry_t *cfg,
+			     cistpl_cftable_entry_t *dflt,
 			     void *priv_data)
 {
 	int i;