Add PDO_EXTENSION structure and PCI_FUNCTION_RESOURCES, now delete #if0 in old code since PDO_EXTENSION is now exist defintion
Add ID Class/Subclass to description functions (PciGetDeviceDescriptionMessage, PciGetDescriptionMessage), use pciclass.mc from sir_richard
New debug: PciDebugDumpCommonConfig
Implement IRP_MN_QUERY_DEVICE_RELATIONS with PciFdoIrpQueryDeviceRelations and PciQueryDeviceRelations
Begin PciScanBus, now just dump all found device with no more work (0 QDR return)
svn path=/trunk/; revision=48091