Revert "auto_hotplug.c: some tweak Signed-off-by: Seongmin Park <r_data@naver.com>"

This reverts commit 70c14c565d9a0d5fd180225ae27abdb61bdbe2ff.
Revert "auto_hotplug: parameter validation for max_online_cpus"

This reverts commit 35b7771e451ea81ea5872d5370c9b3ec09ce4568.
Revert "auto_hotplug: enhancements (rev 3)"

This reverts commit cc19d55f25efee916862c0641e089a42624adf4e.
Revert "auto_hotplug.c: Add min_sampling_rate userspace module"

This reverts commit 553f06970fa658917e5970871eb3e68ecfa0b24e.
Revert "auto_hotplug.c: Support Debug, ENABLE_LOAD_THRESHOLD and DISABLE_LOAD_THRESHOLD userspace modules."

This reverts commit 0a8704961b8b5e99623e31d9eb7dbcbae2232eb4.
auto_hotplug.c: derp

Signed-off-by: Seongmin Park <r_data@naver.com>
Fix auto_hotplug error

Signed-off-by: Seongmin Park <r_data@naver.com>
Update defconfig

Signed-off-by: Seongmin Park <r_data@naver.com>