[arm] inhibit LDM peepholes for xscale

[Richard Earnshaw]

> On Tue, 2003-05-20 at 17:15, Richard Earnshaw wrote:
> > Hmm, OK, but a little bit reluctantly.  We must find a way to express 
> > these tuning differences without having to test a myriad of target bits.  
> > This particular optimization should also be off for ARM9, 10 and StrongARM 
> > cores.
> 
> Oh yeah.  I think this is done elsewhere by testing arm_ld_sched.  You
> want me to do the same here?
> 
> p.
> 

Yes, that would be fine for now.

R.