qcom-common: enable msm8974 cpu power settings

* fixup the path for hlte's msm8974 powersettings
Change-Id: I0802cc122b606b08f58731febd8bf050d22f4c59
Merge "qcom-common: enable msm8974 cpu power settings" into cm-11.0
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0