drm/imx: ipuv3 plane: Replace dev_info with dev_dbg if a plane's CRTC changes

This patch changes the dev_info() call to dev_dbg() in ipu_plane_update()
to print out the information that a plane's CRTC is changed, because this
kind of information is only useful for debugging.
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

drivers/gpu/drm/imx/ipuv3-plane.c

@@ -338,7 +338,7 @@ static int ipu_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 	}
 
 	if (crtc != plane->crtc)
-		dev_info(plane->dev->dev, "crtc change: %p -> %p\n",
+		dev_dbg(plane->dev->dev, "crtc change: %p -> %p\n",
 				plane->crtc, crtc);
 	plane->crtc = crtc;