Tile4 patch still needs an ack from userspace,
IGT tests and some essential fixes, related to
new .plane_caps attribute being added.

This reverts commit 3c542cfa.
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Acked-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211124092355.16668-1-stanislav.lisovskiy@intel.com