Revert "cpufreq: cpu-boost: Remove unused waitqueue"

This reverts commit 0e38f58810513dbf3feb9c96d328e05c74295524.
Revert "cpufreq: cpu-boost: Fix queue_delayed_work_on() race with hotplug"

This reverts commit 5083f61a67e6d2f4547064e01d9cab2340f492fe.
Revert "cpufreq: cpu-boost: Use hotplug thread infrastructure"

This reverts commit 2d3d7a793ddc4129b742ca31c7ede50db514f0ba.
Revert "cpufreq: Reset cpu-boost to upstream"

This reverts commit 866eadd3d53f395f5b03fd0fa3073474f25c6fb3.
Revert "cpufreq: Add Input Boost feature to the cpu-boost driver"

This reverts commit 1cea7bd931862d851552387e30bcdcb7d73aed46.
Revert "cpufreq: cpu-boost: Make boost thread start/stoppable"

This reverts commit b7e3832449c2b36d32a0152362caf763456b3712.
Revert "cpufreq: Add a sync limit to cpu-boost"

This reverts commit ba9d44c328de56a0659de31eeb762e1d1bb0ae4b.
Revert "cpufreq: Add cpu-boost driver"

This reverts commit fd37c9a5ee35ff82d467c463730ddba523f0b050.