ARM: dts: colibri_vf: Add dcu0 node

Add dumb node for NXP Display Control Unit0(DCU), which permits DM_ENABLED
converted driver to be probed. Currently no display timings are provided
in this node.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
diff --git a/arch/arm/dts/vf.dtsi b/arch/arm/dts/vf.dtsi
index 5e3b2c5..5f69d0f 100644
--- a/arch/arm/dts/vf.dtsi
+++ b/arch/arm/dts/vf.dtsi
@@ -145,6 +145,12 @@
 				#gpio-cells = <2>;
 			};
 
+			dcu0: dcu@40058000 {
+				compatible = "fsl,vf610-dcu";
+				reg = <0x40058000 0x1200>;
+				status = "disabled";
+			};
+
 			ehci0: ehci@40034000 {
 				compatible = "fsl,vf610-usb";
 				reg = <0x40034000 0x800>;