[PATCH] ARC: Adjust cpuinfo for non-continuous cpu ids

[Noam Camus]

> From: Vineet Gupta [mailto:Vineet.Gupta1 at synopsys.com] 
> Sent: Tuesday, October 18, 2016 8:49 PM

>>
>> num_possible_cpus() returns how many CPUs may be present on system.
>> However we want the highest possible CPU number.
>
>Highest possible number "Detected" at boot ? Can you explain a bit more !

While trying to provide explanation I decided to "rethink" on this patch.
Its effect is not visible to you due to another "local" patch I use which justify this patch.
I need to reconsider both patches (maybe I will even remove both of them).

Thanks for the feedback.
Noam