msm: thermal: Add support to change TSENS sampling based on temperature

Add temperature based TSENS hardware sampling period modification
feature to KTM. It monitors preset threshold for predefined TSENS
and request preconfigured TSENS sampling levels via scm call.

Change-Id: I515adac7823a7328e9dbf97966dffd769d296b87
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>