parisc: sba-iommu: Fix comment when calculating IOC number

Signed-off-by: Helge Deller <deller@gmx.de>

drivers/parisc/sba_iommu.c

@@ -2007,7 +2007,7 @@ void * sba_get_iommu(struct parisc_device *pci_hba)
 	struct parisc_device *sba_dev = parisc_parent(pci_hba);
 	struct sba_device *sba = dev_get_drvdata(&sba_dev->dev);
 	char t = sba_dev->id.hw_type;
-	int iocnum = (pci_hba->hw_path >> 3);	/* rope # */
+	int iocnum = (pci_hba->hw_path >> 3);	/* IOC # */
 
 	WARN_ON((t != HPHW_IOA) && (t != HPHW_BCPORT));