hwmon: Tegra Temperature Monitor driver

hwmon: Tegra Temperature Monitor driver

This driver monitors both local and remote temperatures at regular
intervals. If there is certian degrees change in temperatures then
it executes the callback registered for the platform.
This driver assumes presence of on-board TMP411 sensor by TI.

This driver also adds a sysfs interface to read current
temperature of the remote hotspot and local temperature.

Bug 1182410

Reviewed-on: http://git-master/r/190217
(cherry picked from commit fc1c166747f938f05e7491e7fb63e5c843549a95)

Change-Id: I9789abe267cbabe05560c70e79a3cbbe4f73ccdb
Signed-off-by: sreenivasulu velpula <svelpula@nvidia.com>
Reviewed-on: http://git-master/r/201608
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sumeet Gupta <sumeetg@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>