Don't run new orphan tests on i860 and i960

[Tristan Gingold]

> On 16 Mar 2017, at 11:26, Andrew Burgess <andrew.burgess@embecosm.com> wrote:
> 
> * Alan Modra <amodra@gmail.com> [2017-03-11 11:34:57 +1030]:
> 
>> These targets use the generic ELF support, so don't handle orphans
>> well.  The patch also updates the orphan doco to reflect this fact,
>> and deletes some ELF details that don't really add anything.
> 
> Alan,
> 
> Sorry for introducing these failures.
> 
> What target triplets do you use for building/testing i860 and i960?
> I'd love to add these to my list of build targets that I test.

Note that they are both obsolete targets.

Tristan.