tegra_hotplug: [1/2] remove mutex, add atomic
should fix random reboots

Change-Id: I2526a125a74dfb64d0f1f994e7a4e3ef1f03db2b
touchboost: [2/2] adapt to new touchboost interface via atomic instructions

Change-Id: Iaa16e9c43a242f2a277761c20f0a6a2259ac10cf
cpufreq: interactive: lower some threshold and frequencies for less battery consumption

Change-Id: I1e0b7b67fb73ded23abadac125a741084e8c8867
tegra_hotplug: add sysfs interface to expose new tuneables (by franco)
still allows to change min time in seconds for the g cluster

also clean up the code

Change-Id: Idfa29fe575e4cb10d61b9b4c63329108e186c5fc
tegra_hotplug: remove old driver interface

Change-Id: Ic25579b356fdd6a8773590acb6e8543494037c0f