[PATCH v2, ARM] memchr for ARM

[Nick Clifton]

Hi David,

> Please find below an ARM optimised memchr; it needs
> Thumb2 and at least ARMv6T2. In the case of thumb or being on
> an earlier architecture it just includes the generic .c version.
> On a new enough architecture the routine is always assembled
> as Thumb2.

   Thanks very much for supplying this patch.  I see no problems with 
it, so I have checked it in to the sources.

Cheers
   Nick