Many BSPs Fail to link CXX tests

[Gedare Bloom]

>> It might be good to create GCI tasks for students to get RTEMS Tester
>> working for a few simulator targets that are supported?
>>
>
> I could be wrong but I think I created them for all gdb based simulators.
> There is unlikely much low hanging fruit.
>
I just meant a task to run the Tester for some target that is a
candidate for the follow-on work. That gives the potential students a
baseline.