[Intel-gfx] [PATCH igt] lib: Convert sw_sync to use sync_file uapi imported from the kernel

[Arkadiusz Hiler]

On Tue, Dec 19, 2017 at 03:00:03PM +0000, Chris Wilson wrote:
> Similar to how we are now importing the drm uapi directly into igt, we
> also would like to have a copy of auxiliary uAPI such as sync_file.
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler at intel.com>

and pushed