msm: mdss: add dynamic core clock calculation for PPP

Add support for calculation of mdp core clock dynamically
and also add the super SVS level of 200M.

Change-Id: I4135a3dc9a2ddc73986cd45c3d9cd8e7ef893b5f
Signed-off-by: Shivaraj Shetty <shivaraj@codeaurora.org>