[Skiboot] [v5] core/init: Add hdat-map property to OPAL node

[Stewart Smith]

Matt Brown <matthew.brown.dev at gmail.com> writes:
> Exports the HDAT heap to the OS. This allows the OS to view the HDAT heap
> directly.  This allows us to view the HDAT area without having to use
> getmemproc.
>
> Signed-off-by: Matt Brown <matthew.brown.dev at gmail.com>
> Reviewed-by: Oliver O'Halloran <oohall at gmail.com>

i think this looks good, so merged to master as of
9ffbfe269ec6ef9b6e2ef914be79dcf902fc2898.

Although I probably should have pointed you to add something in
doc/device-tree :)

-- 
Stewart Smith
OPAL Architect, IBM.