[media] cx23885: fix format colorspace compliance error

Fix v4l2-compliance failure relating to formatting.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/pci/cx23885/cx23885-video.c

@@ -913,6 +913,7 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 		(f->fmt.pix.width * fh->fmt->depth) >> 3;
 	f->fmt.pix.sizeimage =
 		f->fmt.pix.height * f->fmt.pix.bytesperline;
+	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
 
 	return 0;
 }
@@ -957,6 +958,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 		(f->fmt.pix.width * fmt->depth) >> 3;
 	f->fmt.pix.sizeimage =
 		f->fmt.pix.height * f->fmt.pix.bytesperline;
+	f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
 
 	return 0;
 }