drm/amdgpu: remove nonsense const u32 cast on ARRAY_SIZE result

Not sure what that should originally been good for, but it doesn't seem
to make any sense any more.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
15 files changed