msm: board-8092: Add Temperature sensor init

Temperature Sensor (TSENS) provides an interface to
read the on-die temperature. Add early initialization to
allow kernel thermal driver to read the temperature at
initialization.

Change-Id: Ib85090d7855b4137c7d336ce8802d1c466d94603
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>