Merge branch 'pci/resource'

  - Use ioremap(), not phys_to_virt() for platform ROM, to fix video ROM
    mapping with CONFIG_HIGHMEM (Mikel Rychliski)

  - Add support for root bus sizing so we don't have to assume host bridge
    windows are known a priori (Ivan Kokshaysky)

  - Fix alpha Nautilus PCI setup, which has been broken since we started
    enforcing window limits in resource allocation (Ivan Kokshaysky)

* pci/resource:
  alpha: Fix nautilus PCI setup
  PCI: Add support for root bus sizing
  PCI: Use ioremap(), not phys_to_virt() for platform ROM