ide: cleanup ide_find_port()

Remove no longer needed matching against I/O base and 'base' argument.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 5f3e82a..c5728dd 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -170,7 +170,7 @@
 	struct device	*dev;
 } hw_regs_t;
 
-struct hwif_s * ide_find_port(unsigned long);
+struct hwif_s *ide_find_port(void);
 void ide_init_port_data(struct hwif_s *, unsigned int);
 void ide_init_port_hw(struct hwif_s *, hw_regs_t *);