detecting hibernation capability

[David Zeuthen]

On Wed, 2005-11-30 at 21:09 +0000, Richard Hughes wrote:
> Well, it gets set if you load the acpi, apm, or pmu parts, and signifies
> that HAL found something that it knows about.. Not sure how to put this
> into words. I think David is the originator of this key, but I could be
> wrong. Maybe a better description might be "If HAL found a power
> management subsystem it recognises"
> 
> It may well be redundant, given we have a power_management.type key.

Yea, I suppose it's safe to remove power_management.is_enabled now that
we have the new properties.

Cheers,
David