Add powerpc.h. Still missing powerpc.[ch] in gprof, but this gets the MI stuff out of the way.
Add powerpc.h. Still missing powerpc.[ch] in gprof, but this gets
the MI stuff out of the way.

Approved: re (rwatson)

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