headers: sync amdgpu_drm.h from airlied/drm-next

Changes include: PRT and preemption flags, sensor info, and some more
changes for Vega10.

Generated using make headers_install from airlied/drm-next commit
320d8c3d38739fa8e31a076b86cbdafcf8897d5e.

Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Acked-by: Emil Velikov <emil.velikov@collabora.com>