ARM: dts: msm: Add regulator cooling devices for TRINKET

Add regulator cooling device for TRINKET. These cooling devices
will be used to place minimum voltage restriction at low temperature
for CX and MX rails.

Change-Id: I1936bd18604be9af57f18a3b4884ad7226f3d5ac
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>