dw_apb_timer_of.c: remove parts that were picoxcell-specific

[Arnd Bergmann]

On Monday 06 May 2013, Pavel Machek wrote:
> 
> Hi!
> 
> Ping? Previous version was tested by Dinh, and this one is based on
> Jamie's updates, so I assume it is acceptable for him, too.
> 
> It brings two platforms closer together, and makes time actually work
> on socfpga. It would be good to get it applied.

Who should apply it? I guess it needs to go through arm-soc with all the
other clocksource changes already queued up there. Can we have an Ack
from Jamie and from the clocksource maintainers?

	Arnd