iommu/vt-d: Remove some pointless to_pci_dev() calls
iommu/vt-d: Remove some pointless to_pci_dev() calls

Mostly made redundant by using dev_name() instead of pci_name(), and one
instance of using *dev->dma_mask instead of pdev->dma_mask.

Signed-off-by: David Woodhouse <b460d66aaf00c296a3db1c1d9eeafc081d5f7d70@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs