media: vivid: drop GFP_DMA32

>From what I can see, this is not needed. And since using it issues a 'deprecated'
warning, just drop it.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/test-drivers/vivid/vivid-osd.c

@@ -357,7 +357,7 @@ int vivid_fb_init(struct vivid_dev *dev)
 	int ret;
 
 	dev->video_buffer_size = MAX_OSD_HEIGHT * MAX_OSD_WIDTH * 2;
-	dev->video_vbase = kzalloc(dev->video_buffer_size, GFP_KERNEL | GFP_DMA32);
+	dev->video_vbase = kzalloc(dev->video_buffer_size, GFP_KERNEL);
 	if (dev->video_vbase == NULL)
 		return -ENOMEM;
 	dev->video_pbase = virt_to_phys(dev->video_vbase);