[PATCH hurd x2] - Rebased

[Damien Zammit]

[PATCH 1/2] pci-arbiter: Fix brokenness

This patch does not include mustbedir option because I believe there
is already logic that detects if it is looking up a directory,
by checking the entry->dir != 0.
When I tried adding it in, it did not work correctly.


[PATCH 2/2] pci-arbiter: Introduce machdev into this server

This one now includes the device_close and device_shutdown