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/arm/rapide.c b/drivers/ide/arm/rapide.c
index b30adcf..2c3d0ec 100644
--- a/drivers/ide/arm/rapide.c
+++ b/drivers/ide/arm/rapide.c
@@ -44,7 +44,7 @@
 		goto release;
 	}
 
-	hwif = ide_find_port((unsigned long)base);
+	hwif = ide_find_port();
 	if (hwif) {
 		memset(&hw, 0, sizeof(hw));
 		rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq);