1. 842c31e x86: Convert CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED to Kconfig by Bin Meng · Thu Aug 17 01:10:42 2017 -0700
  2. 37e706d x86: Move turbo_state to global_data by Simon Glass · Mon Jan 16 07:04:17 2017 -0700
  3. e804501 x86: Add Intel speedstep and turbo mode code by Simon Glass · Fri Nov 14 18:18:43 2014 -0700