[SCSI] sun3: Provide a dummy NCR5380_exit()

and call it from sun3scsi_release(), cfr. the other NCR5380 drivers.

This fixes:

drivers/scsi/NCR5380.h:303: warning: ‘NCR5380_exit’ declared ‘static’ but never defined

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c
index 2ad6b91..2cc83ef 100644
--- a/drivers/scsi/sun3_scsi.c
+++ b/drivers/scsi/sun3_scsi.c
@@ -314,6 +314,7 @@
 
 	iounmap((void *)sun3_scsi_regp);
 
+	NCR5380_exit(shpnt);
 	return 0;
 }