ARM: dts: msm: update the thermal adc scale function for skuh

Update the thermal adc scale function to the new battery thermistor
mapping table for the skuh board.

Change-Id: Idbf6725748abb41d0f130a9089be7f1f54a5d8fb
Signed-off-by: Jie Cheng <rockiec@codeaurora.org>