Revert the _NOPROF entries on cpu_throw, cpu_switch and savectx. They can be profiled too now.
Revert the _NOPROF entries on cpu_throw, cpu_switch and savectx. They can be
profiled too now.

MFC after:	2 weeks

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