drm/msm/sde: use msm_display_info for display information

Replace dsi_display_info and display_info structures with
a common msm_display_info structure to reduce unnecessary
structure layering and translation.

Change-Id: Ia097a5d64fa35472ea715ac99e14f496553d4b44
Signed-off-by: Clarence Ip <cip@codeaurora.org>