libsensors: update from otter2 files (needs kernel change as well)

Change-Id: I27fc71f30d380dd83448f489888977e02d0528ca
Revert "libsensors: update from otter2 files (needs kernel change as well)"

This reverts commit 28bdaec930ef578590368dddf385ee5e70e3be50.
Merge remote-tracking branch 'origin/jb-mr1-dev' into cm-10.1-dev