ARM: dts: msm: Enable GPU thermal zone mitigation for TRINKET

Enable high temperature GPU stepwise thermal zone mitigation
configuration for TRINKET.

Change-Id: I76c9398ae11d42d1f1da55a8e647f530942e7ef5
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>