hwmon: qpnp-adc: add battery thermistor mapping table for 8909 skue

Tcold = -20 DegC and Thot = 60 DegC are used for 8909 SKUE device.
Update battery thermistor mapping table for it.

Change-Id: Ic4644d365c4924fe2c8389f3df298b8dddc0b83e
Signed-off-by: Chunmei Cai <ccai@codeaurora.org>
Signed-off-by: Jiangen Jiao <jiangenj@codeaurora.org>
[schikk: fixed up trivial merge conflicts]
Signed-off-by: Swetha Chikkaboraiah <schikk@codeaurora.org>