pci: bus scan amendment
- refactor scan procedure to start with PCI host controller
- initiate scan of subordinate PCI bus from PCI host and PCI-to-PCI bridges
- find out PCI subordinate bus numbers and write them to bride devices
- automated assignment of "reg", "ranges", and "bus-range" properties
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
git-svn-id: svn://openbios.org/openbios/trunk/openbios-devel@786 f158a5a8-5612-0410-a976-696ce0be7e32