msm: mdss: Enable Decimation during fetch

Decimation is a new mdss hardware feature that facilitates
display of images with width larger than 2048 through a single pipe.
It enables display of high resolution images on multiple interfaces
simulatenously. Also, the presence of this hardware feature needs
to be exposed to userspace so that the usecase can be supported.

Change-Id: I433db46c9f026b4c124ae73d10f1827144631934
Signed-off-by: Sree Sesha Aravind Vadrevu <svadrevu@codeaurora.org>
9 files changed