msm: board-8930: Add support to read PA_THERM1

PA_THERM1 is connected to MPP3. Statically map MPP3 to
AMUX8 channel to support reading PA Therm temperature
on PM8917.

Change-Id: I66f1180b93c7544c98b5b1cd9ae1cdb9e6216782
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
1 file changed