ARM: dts: msm: Add ADC channel thermal nodes for kona

Clients can read through thermal zones to query thermistor
temperature for supported ADC thermistors connected to
PM8150, PM8150B and PM8150L.

Change-Id: Ia953ebe1f200a13ba39e8f9f5b3ec55839c58094
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>