drm-misc-next for 5.5:

UAPI Changes:
-syncobj: allow querying the last submitted timeline value (David)
-fourcc: explicitly defineDRM_FORMAT_BIG_ENDIAN as unsigned (Adam)
-omap: revert the OMAP_BO_* flags that were added -- no userspace (Sean)

Cross-subsystem Changes:
-MAINTAINERS: add Mihail as komeda co-maintainer (Mihail)

Core Changes:
-edid: a few cleanups, add AVI infoframe bar info (Ville)
-todo: remove i915 device_link item and add difficulty levels (Daniel)
-dp_helpers: add a few new helpers to parse dpcd (Thierry)

Driver Changes:
-gma500: fix a few memory disclosure leaks (Kangjie)
-qxl: convert to use the new drm_gem_object_funcs.mmap (Gerd)
-various: open code dp_link helpers in preparation for helper removal (Thierry)

Cc: Chunming Zhou <david1.zhou@amd.com>
Cc: Adam Jackson <ajax@redhat.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Kangjie Lu <kjlu@umn.edu>
Cc: Mihail Atanassov <mihail.atanassov@arm.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Thierry Reding <treding@nvidia.com>
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