[undi] Work around specific devices with known broken interrupt behaviour

Some PXE stacks are known to claim that IRQs are supported, but then
never generate interrupts.  No satisfactory solution has been found to
this problem; the workaround is to add the PCI vendor and device IDs
to a list of devices which will be treated as simply not supporting
interrupts.

This is something of a hack, since it will generate false positives
for identical devices with a working PXE stack (e.g. those that have
been reflashed with iPXE), but it's an improvement on the current
situation.

Reported-by: Richard Moore <rich@richud.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

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