ARM: dts: msm: add clock, gdsc changes for gfx smmu on trinket

Add the required clock and regulator changes that need to be turned on
before accessing graphics SMMU on trinket.

Change-Id: I9cb126b1d2cc653ec432406efb6aa41037149708
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>