ARM: dts: qcom: Add second trip to xo-therm-usr for lito

There are two clients in userspace who can request different trip
thresholds to xo-therm. Add another thermal zone trip node
to xo-therm for second client to configure its own threshold.

Change-Id: Iea7c1d82bc8225e417a8f84962797ce6b32ba66e