ARM: dts: msm: Configure cx ipeak for video for TRINKET

The cx ipeak configuration provides the threshold frequency.
Video driver updates a register to notify about it being
running at or beyond the threshold frequency.

CRs-Fixed: 2370730
Change-Id: I50706a855877c0d3db15c2059e12227171348e5f
Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org>