[media] fsl-viu: fill in bus_info in vidioc_querycap

The bus_info field was never filled.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c
index f0ec551..ab8012c 100644
--- a/drivers/media/platform/fsl-viu.c
+++ b/drivers/media/platform/fsl-viu.c
@@ -563,6 +563,7 @@
 {
 	strcpy(cap->driver, "viu");
 	strcpy(cap->card, "viu");
+	strcpy(cap->bus_info, "platform:viu");
 	cap->device_caps =	V4L2_CAP_VIDEO_CAPTURE |
 				V4L2_CAP_STREAMING     |
 				V4L2_CAP_VIDEO_OVERLAY |