thermal: tsens: Update critical temperature threshold value

Existing controller health detection uses a critical
temperature threshold of -40degC. Update the value to -95degC
so that there are no false positives seen when min threshold
is disabled and temperature goes below the threshold value.

Change-Id: If27ecfbb7b080080074bfe142f493fbf8f53f673
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>