set_cfg_type

I see that the indirect_pci methods only do Type 1 configuration
cycles for devices behind PCI-PCI bridges if ppc_md.set_cfg_type is
set.  Are there *any* host bridges for which we *don't* want to do
Type 1 cycles for devices behind PCI-PCI bridges?  If the answer is
no, let's get rid of ppc_md.set_cfg_type and do Type 1 cycles
unconditionally when dev->bus->number != hose->first_busno.

Paul.

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