ARM: dts: msm: Enable hardware trigger mode for Venus GDSC for Trinket

Hardware trigger mode needs to be enabled for Venus GDSC to power
collapse Venus core during inter frame transition.

Change-Id: I0b5d651cfbe3b1d989cbd7f4c78236180ef579f8
Signed-off-by: Diptanshu Jamgade <djamgade@codeaurora.org>