[PATCH 01/13] intel_idle: add BXT support

From: Len Brown Broxton has all the HSW C-states, except C3. BXT C-state timing is slightly different. Here we trust the IRTL MSRs as authority on maximum C-state latency, and override the driver's tables with the values found in the associated IRTL MSRs. Further we set the

[PATCH 01/13] intel_idle: add BXT support

From: Len Brown Broxton has all the HSW C-states, except C3. BXT C-state timing is slightly different. Here we trust the IRTL MSRs as authority on maximum C-state latency, and override the driver's tables with the values found in the associated IRTL MSRs. Further we set the target_residency to