Gem5Device: Allowed the gem5 binary to be specified in the agenda
Gem5Device: Allowed the gem5 binary to be specified in the agenda

- Added the gem5_binary option to the agenda which allows a different
  gem5 binary to be specified. This allows WA to be used with
  different levels of gem5 debugging. as well as allowing non-standard
  gem5 binary names and locations.

setrofim/workload-automation,chase-qi/workload-automation,muendelezaji/workload-automation,lisatn/workload-automation,chase-qi/workload-automation,bjackman/workload-automation,ep1cman/workload-automation,chase-qi/workload-automation,ARM-software/workload-automation,ep1cman/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,jimboatarm/workload-automation,ARM-software/workload-automation,bjackman/workload-automation,muendelezaji/workload-automation,lisatn/workload-automation,ep1cman/workload-automation,chase-qi/workload-automation,bathepawan/workload-automation,ep1cman/workload-automation,ep1cman/workload-automation,bjackman/workload-automation,muendelezaji/workload-automation,ARM-software/workload-automation,lisatn/workload-automation,bjackman/workload-automation,Sticklyman1936/workload-automation,bathepawan/workload-automation,Sticklyman1936/workload-automation,jimboatarm/workload-automation,muendelezaji/workload-automation,bathepawan/workload-automation,jimboatarm/workload-automation,bathepawan/workload-automation,ARM-software/workload-automation,jimboatarm/workload-automation,setrofim/workload-automation,jimboatarm/workload-automation,Sticklyman1936/workload-automation,chase-qi/workload-automation,ep1cman/workload-automation,muendelezaji/workload-automation,lisatn/workload-automation,muendelezaji/workload-automation,bathepawan/workload-automation,setrofim/workload-automation,Sticklyman1936/workload-automation,chase-qi/workload-automation,bathepawan/workload-automation,Sticklyman1936/workload-automation,setrofim/workload-automation,bjackman/workload-automation,Sticklyman1936/workload-automation