msm: mdss: use compression ratio factors passed by user space

Use the compression ratio factors shared by user space
to reduce the bandwidth calculations and vote for the
reduced throughput when compressed formats
are used.
Before this change kernel estimated the compression
ratio factors to reduce the bandwidth in the compressed
formats, after this change user space will set the
compression factors and kernel will use those for
bandwidth calculations.

Change-Id: I00fc0b9f526e7ff400740d48f42f6404737eae32
Signed-off-by: Ingrid Gallardo <ingridg@codeaurora.org>