[Intel-gfx] [PATCH v2 i-g-t 1/2] intel_gpu_top: Support exiting the tool by pressing 'q'

[Chris Wilson]

Quoting Tvrtko Ursulin (2020-12-16 15:54:20)
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> Analoguous to top(1) we can enable the user to exit from the tool by
> pressing 'q' on the console.
> 
> v2:
>  * Fix sleep period with closed stdin. (Chris)
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris