[patch,cilk-plus,testsuite] Skip int16 and size16 targets (too much FAILs)

[Mike Stump]

On Jul 18, 2013, at 6:48 AM, Georg-Johann Lay <avr@gjlay.de> wrote:
> running the cilk-plus.exp tests I get ~200 FAILs because the tests are not
> written for 16-bit int or size_t platforms.
> 
> As a quick tentative fix, the cilk-plus tests are skipped on such platforms.

I think this patch is fine.  Until such time until cilk can do better, I think this is a fine way to address the issue.  The other possible way is to not spin up any support for cilk on such a platform in the first place.  noconfigdir is one common way to do this.