John Baldwin a96b8b801a Tweak the handling of PCI capabilities in emulated devices to remove
the non-standard zero capability list terminator.   Instead, track
the start and end of the most recently added capability and use that
to adjust the previous capability's next pointer when a capability is
added and to determine the range of config registers belonging to
PCI capability registers.

Reviewed by:	neel
2014-02-18 03:00:20 +00:00
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