ARM: dts: msm: Update energy costs for new frequency on SDM845V2

Add energy cost for new frequency of Gold CPU on SDM845V2,
which is used in task placement by energy aware scheduler.

Change-Id: I1f0cb4f3ce354c2102d937e9b07cc93c9d829a2f
Signed-off-by: Lingutla Chandrasekhar <clingutla@codeaurora.org>