ARM: dts: msm: Add ADC_TM nodes for PM855, PM855B and PM855l

ADC_TM peripheral supports clients to set temperature thresholds
and receive notification. Add ADC_TM channels as thermal zones
that are registered with of_thermal for thermal clients to
set trip thresholds and read temperature.

Change-Id: I8932c44bf3b5178d09d7431b435c153b30ce959e
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>