configs/imx6-sabresd_qt5: Bump kernel to 4.13.3

Bump the kernel version to 4.13.3.

Kernel 4.13.3 uses the /dev/dri/card0 device as rendering node, so
adjust it accordingly.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

board/freescale/imx6-sabresd/readme.txt

@@ -75,7 +75,7 @@ Then flash the SD card as explained above.
 
 Running kmscube application:
 
-# kmscube -D /dev/dri/card1
+# kmscube
 
 Running Qt5 Cinematic Demo:
 

board/freescale/imx6-sabresd/rootfs_overlay/root/sabresd.json

@@ -1,5 +1,5 @@
 {
-  "device": "/dev/dri/card1",
+  "device": "/dev/dri/card0",
   "hwcursor": false,
   "pbuffers": true,
   "outputs": [