Current feature plan

1. Implement AMD support
2. Add auto-pstate creation
3. Add sanity check for pstate table returned by ACPI and fall back to auto-pstate if needed
4. Implement in-kernel auto-throttle (ref. AutoThrottle)
5. Add IOUserClient based communication channel for userspace clients
6. Add more sysctl variables for information purposes
7. Add sysctl control to enable/disable DebugMessages mode.
8. Add sysctl control for KernelFeatures