[PATCH v2 04/13] iommufd: Rename fault.c to eventq.c

[Tian, Kevin]

> From: Nicolin Chen <nicolinc at nvidia.com>
> Sent: Wednesday, December 4, 2024 6:10 AM
> 
> Rename the file, aligning with the new eventq object.
> 
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>

Reviewed-by: Kevin Tian <kevin.tian at intel.com>