powerpc/powernv: Framework to log critical errors on powernv.

[Benjamin Herrenschmidt]

On Fri, 2013-12-13 at 13:00 +1100, Michael Ellerman wrote:
> None of the above seem to be used anywhere.

They are the arguments you pass when creating an error log, ie, they
are the values that are used by the firmware to generate the actual
error log entry.

They will be used as we add code that generate error log entries
subsequently.

Cheers,
Ben.