msm: mdss: Restrict vote for bandwidth by histogram based on dts

Histogram read and histogram LUT writes vote for additional
bandwidth on mdss ahb clocks for speeding up the register access.
This is not required on 8916 and 8939 targets.
Restricting the call for vote based on dts property.

Change-Id: I944e07c80c678ef75bd7e4e0270be6a23becce00
Signed-off-by: Krishna Chaitanya Parimi <cparimi@codeaurora.org>