ARM: OMAP5/DRA7: Fix counter frequency drift for AM572x errata i856

[Nishanth Menon]

On 14:23-20141212, Lennart Sorensen wrote:
> I was trying to avoid making the code mroe complicated for the other
> CPUs using this code, but I suppose since it runs only at boot once,
> that probably isn't really a great concern.

we try and avoid soc_is or cpu_is as much as possible and depend usually
on compatible to mark the change..
> 
> I will try changing the flow and send an updated version.

k, thanks. lets go through your next rev to see if we can improve on the
same. btw, nice catch :) - thanks for proposing a fix.
-- 
Regards,
Nishanth Menon