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/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c
index 34c2ad3..efc1936 100644
--- a/drivers/ide/ide-pnp.c
+++ b/drivers/ide/ide-pnp.c
@@ -38,7 +38,7 @@
 				pnp_port_start(dev, 1));
 	hw.irq = pnp_irq(dev, 0);
 
-	hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+	hwif = ide_find_port();
 	if (hwif) {
 		u8 index = hwif->index;
 		u8 idx[4] = { index, 0xff, 0xff, 0xff };