Document multiple hints lines. Tweak machine description to more accurately reflect second argument being the cpu architecture.  Note correspondence with MACHINE and MACHINE_ARCH.
Document multiple hints lines.
Tweak machine description to more accurately reflect second argument being
the cpu architecture.  Note correspondence with MACHINE and MACHINE_ARCH.

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