[GSoC2014] arinc653 on rtems (using pok) patches

[Gedare Bloom]

>>> * Is the linkcmds change required for running pok-rtems?
>> For me, it was required. The old linkcmd script was causing undefined
>> TLS errors while building RTEMS.
> Please report this. This sounds like an independent issue which needs to
> be run down.
I believe this is a known issue. I think Sebastian fixed the in-tree
BSPs, but out-of-tree BSPs also need to add sections for TLS. This
would need to be added to the virtualpok BSP, which is currently
embargoed from entering RTEMS due to needing a binary blob for
libpok.a.

-Gedare