Revert "Updated cpu && smp part"

This reverts commit 04affaf3e9aefe7358cd3c128ea077d29073e4dd.
Revert "Updated cpuidle part"

This reverts commit d0854581d03b28837b96894e67e39761fec95f71.
Input: add generic touchboost driver based on CAF's cpu-boost driver. Thanks to Yuri :)
Optimized alucard_hotplug. Removed useless mutex var.