msm: mdss: add support for non-compressed bw for ib

Starting sde 3.0, driver needs to use uncompressed
bandwidth calculation for the ib bandwidth vote.
Add support to use this calculation and enable
it for sde 3.0.

Change-Id: I6a7ba7573a67a52bddb4881415217d7401c97cf3
Signed-off-by: Ingrid Gallardo <ingridg@codeaurora.org>