[PATCH v4] powernv, cpufreq: cpufreq driver for powernv platform

[Anton Blanchard]

Hi Gautham,

> Backend driver to dynamically set voltage and frequency on
> IBM POWER non-virtualized platforms.  Power management SPRs
> are used to set the required PState.

I tested this version on ppc64le, it still looks good. I'm already
a Signed-off-by on the patch, but feel free to add:

Tested-by: Anton Blanchard <anton at samba.org>

Anton