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/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c
index 23a5219..eba1931 100644
--- a/drivers/scsi/pcmcia/sym53c500_cs.c
+++ b/drivers/scsi/pcmcia/sym53c500_cs.c
@@ -702,6 +702,7 @@
 
 static int SYM53C500_config_check(struct pcmcia_device *p_dev,
 				  cistpl_cftable_entry_t *cfg,
+				  cistpl_cftable_entry_t *dflt,
 				  void *priv_data)
 {
 	p_dev->io.BasePort1 = cfg->io.win[0].base;