thermal: tsens: Update calib logic for correction factors on MSM8937

Fuse based correction factors are needed for some calibration modes.
Update logic accordingly such that correction factors are applied for
required calibration modes.

Change-Id: If676868005c04655a084a1a931d0cb5464854802
Signed-off-by: Rama Krishna Phani A <rphani@codeaurora.org>