hwmon: qpnp-adc: add battery thermistor mapping table for skug

Since the new values of parameters including Rs1=30.3K,
Rs2=12.8K, Tcold=-15DegC and Thot=55DegC are used for
skug device, we add a new table accordingly.

Change-Id: I89d86274c5c198f904766d818cb2a7882c462496
Signed-off-by: Wu Fenglin <fenglinw@codeaurora.org>