Now that the mps(4) driver is endian-safe, add it to the powerpc 32-bit GENERIC config file.
Now that the mps(4) driver is endian-safe, add it to the powerpc 32-bit
GENERIC config file.

MFC after:	3 days
Reqested by:	nwhitehorn

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