Cache the Open Firmware CPU properties at attach time, so we don't always enter it at runtime to get static data.
Cache the Open Firmware CPU properties at attach time, so we don't always
enter it at runtime to get static data.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase