msm: tsens: Add code to support thermal framework changes

Add code to update dev value in tsens struct which
will be compared in thermal framework to check whether
the device pointer is matching with thermal zone or not.

Change-Id: Ic7605034e48585bcb25641306c1703b8399b4e0e
Signed-off-by: Ajay Prathi <aprathi@codeaurora.org>