[RFA] testsuite: skip some testcases for pdp11

[Gerald Pfeifer]

On Thu, 30 Dec 2010, Paul Koning wrote:
> This patch skips some testcases that don't fit on a pdp11.
> 
> Tested with make check.
> 
> Ok to commit?

As our PDP11 maintainer you do not need further approval to make
such changes to the testsuite.  In other words, yes, this is okay
to commit provided you have tested it. :-)

Gerald