Revert some commits
Revert "CPUFREQ STATS: Merged some checks from 3.10.y kernel."

This reverts commit f4c8e8b48b5d452d01a57ce81e4ba026a1f781f5.

Revert "cpufreq: Preserve sysfs files across suspend/resume"

This reverts commit ef1988d2c695af72582011f4889ec30b0f4fbdf9.

Revert "cpufreq_stats: do not remove sysfs files if frequency table is not present"

This reverts commit 93e4da49e6aafc6f95e696c5e71f893faf92763e.

Revert "cpufreq / stats: Get rid of CPUFREQ_STATDEVICE_ATTR"

This reverts commit 62aedd46057be84faf626127243ba8641c6585f1.

Revert "cpufreq / stats: fix race between stats allocation and first usage"

This reverts commit 5401e094ada34d7ac3f2acca20920cf9cbe7fb3c.