media: ipu3-cio2: Make the field on subdev format V4L2_FIELD_NONE

The ipu3-cio2 doesn't make use of the field and this is reflected in V4L2
buffers as well as the try format. Do this in active format, too.

Fixes: c2a6a07a ("media: intel-ipu3: cio2: add new MIPI-CSI2 driver")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: stable@vger.kernel.org # v4.16 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/pci/intel/ipu3/ipu3-cio2.c

@@ -1285,6 +1285,7 @@ static int cio2_subdev_set_fmt(struct v4l2_subdev *sd,
 	fmt->format.width = min_t(u32, fmt->format.width, CIO2_IMAGE_MAX_WIDTH);
 	fmt->format.height = min_t(u32, fmt->format.height,
 				   CIO2_IMAGE_MAX_LENGTH);
+	fmt->format.field = V4L2_FIELD_NONE;
 
 	mutex_lock(&q->subdev_lock);
 	*mbus = fmt->format;