hwmon: pm8xxx-adc-scale: Update XO thermal table and scaling function

XO Therm channel of adc driver is printing +ve temperature values on
actual -ve temperature.Fix it by updating scaling function and mapping
table for XO Thermistor.

Change-Id: Ie7443251f4cfbd756848b92d94ff67f0322f5e26
CRs-Fixed: 435666
Signed-off-by: Dipen Parmar <dipenp@codeaurora.org>
1 file changed