Merge branch 'pci/legacy-pm-removal'

- Convert amd64-agp, sis-agp, via-agp from legacy PCI power management to
  generic power management (Vaibhav Gupta)

* pci/legacy-pm-removal:
  via-agp: convert to generic power management
  sis-agp: convert to generic power management
  amd64-agp: convert to generic power management