Add SystemV IPC drivers to PSIM

[Joel Sherrill]

Daniel Jacobowitz wrote:
> On Fri, Nov 07, 2008 at 12:50:29PM -0600, Joel Sherrill wrote:
>   
>> Most of it is boilerplate for adding a device.  Looking
>> at the ChangeLog, Andrew hasn't done anything
>> except commit someone else's patch in a few years.
>> Is anyone other than Andrew capable of reviewing it?
>>     
>
> You might try asking H-P (Hans-Peter Nilsson <hp@axis.com>).
> Beyond that, I'm not sure what to say; no one is really taking care of
> these simulators recently.
>
>   
Thanks. I have emailed him.

Hopefully we can turn up someone. If not, what's next?
We are using these patches in the RTEMS GDB RPMs and
reporting test results to gcc-testresults regularly with these
simulators.

--joel