ARM: dts: msm: Add TSENS support for SDM670

Temperature sensor (TSENS) supports 21 sensors across two
controllers. Add thermal sensor parameters used by the
thermal core framework to register TSENS sensors.

Change-Id: Id4eedac44b27eef067f8418ecd3a6135335f4c11
Signed-off-by: Rama Krishna Phani A <rphani@codeaurora.org>