Revert "add include/linux/hotplug.h"

This reverts commit c9274a2c440ce9f4d9b258dec3fd1cbe797d5f0a.
Revert "cpufreq: interactive: decrease hispeed_freq and target_loads thresholds now that target_loads is properly set up."

This reverts commit 532125aa4ce8c95201fcca33da107517986c5110.
Revert "More FK interactive bring ups"

This reverts commit 1d48eacebf49e65a0b04f973f985dd56afb1209c.
cpufreq: interactive: re-add memory barriers. Lack of these was causing some hw_resets.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>