mwait_idle: Skylake Client Support

mwait_idle: Skylake Client Support

Skylake Client CPU idle Power states (C-states)
are similar to the previous generation, Broadwell.
However, Skylake does get its own table with updated
worst-case latency and average energy-break-even residency values.

Signed-off-by: Len Brown <len.brown@intel.com>
[Linux commit 493f133f47750aa5566fafa9403617e3f0506f8c]

mwait_idle: Skylake Client Support - updated

Addition of PC9 state, and minor tweaks to existing PC6 and PC8 states.

Signed-off-by: Len Brown <len.brown@intel.com>
[Linux commit 135919a3a80565070b9645009e65f73e72c661c0]
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>