revert overall voltage handling patch

Commit: https://github.com/RAZR-K-Devs/android_kernel_motorola_omap4-common/commit/ee0f3f667a57ad7a785f6eb036687f5fd3522063
intelli-plug: disble touch boost due to conflict with touch driver
omap: voltage: remove useless stuff
defconfig: enable tmp and thermal drivers
thermal: adapt needed functions and fix