ARM: dts: msm: add mmagic mdss axi vote for before smmu vote for msm8996

mmagic mdss axi clock vote is required before smmu
axi clock for correct power on sequence.

Change-Id: I75bed25cac4dd922f11c41b3318ffcff9731b06e
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>