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/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c
index 1846e2a..1830ebd 100644
--- a/drivers/bluetooth/dtl1_cs.c
+++ b/drivers/bluetooth/dtl1_cs.c
@@ -592,6 +592,7 @@
 
 static int dtl1_confcheck(struct pcmcia_device *p_dev,
 			  cistpl_cftable_entry_t *cf,
+			  cistpl_cftable_entry_t *dflt,
 			  void *priv_data)
 {
 	if ((cf->io.nwin == 1) && (cf->io.win[0].len > 8)) {