input: touchboost: I misinterpretaded the panic log when a BT device was disconnected and what was actually causing the crash was destroying the WQ. Also fix a small bug where if the user underclocked below input_boost_freq after a touch input max/min freqs would be changed to wrong frequencies.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
Merge remote-tracking branch 'upstream/android-msm-hammerhead-3.4-kk-r1' into sm-4.4
Version 29

Signed-off-by: kecinzer <kecinzer@gmail.com>