Revert "msm: cpufreq: Break out early if target frequency is the same as the current"

This reverts commit e5af163035a585a50de72e51e121e52ae387f4a6.
Revert "nohz: Reduce overhead under high-freq idling patterns"

This reverts commit 3a7c1a8f4c1d216f234b4d4268df3678ab23620f.
Revert "cpufreq: Manage only online cpus"

This reverts commit 6670d5f038f5533bd326d1bb80967830a02b462f.