misc: pti, stop using iomap's unmap on ioremap space

Ioremap space is different to iomap. ->probe function uses ioremap,
but ->remove calls pci_iounmap. That one is illegal. Fix that by using
iounmap.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: J Freyensee <james_p_freyensee@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/pti.c

@@ -402,7 +402,7 @@ static void __devexit pti_pci_remove(struct pci_dev *pdev)
 {
 	struct pti_dev *drv_data = pci_get_drvdata(pdev);
 
-	pci_iounmap(pdev, drv_data->pti_ioaddr);
+	iounmap(drv_data->pti_ioaddr);
 	pci_set_drvdata(pdev, NULL);
 	kfree(drv_data);
 	pci_release_region(pdev, 1);