ide-cs: use ide_std_init_ports()

No reason to use ide_init_hwif_ports() in ide-cs (as a nice side-effect
this makes ide-cs work on archs that don't define IDE_ARCH_OBSOLETE_INIT).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index 7c4aa6c..15ccf69 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -151,7 +151,7 @@
     u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
     memset(&hw, 0, sizeof(hw));
-    ide_init_hwif_ports(&hw, io, ctl, NULL);
+    ide_std_init_ports(&hw, io, ctl);
     hw.irq = irq;
     hw.chipset = ide_pci;
     hw.dev = &handle->dev;