TODO

   1 Capabilities with partial decoding:
   2 - PCIe 2nd set of control/status registers
   3 - HyperTransport caps
   4
   5 Capabilities with no decoding:
   6 - VPD
   7 - CompactPCI hot-swap
   8 - CompactPCI central resource control
   9 - AGP3
  10 - Secure device
  11 - Advanced Error Reporting (ext'd)
  12 - Virtual Channel (ext'd)
  13 - Power Budgeting (ext'd)
  14 - Root Complex * (ext'd)
  15 - Multi-Function Virtual Channel (ext'd)
  16 - Root Bridge Control Block (ext'd)
  17 - Access Controls (ext'd)
  18
  19 PCIIDS:
  20 - delete old DB at SF