[PATCH] arm: Configure reference clock for Versatile Express timers

[Pawel Moll]

> This patch performs required magic and also removes code clearing
> > timer's control registers, as exactly the same operations are
> > performed by the timer driver few jiffies later.
> It would be nice if these registers were documented...

The best I can do is to create some more meaningful constants.

V2 to follow...

Paweł