arm: dts: imx53-qsb-hdmi: Disable panel instead of deleting node

We cannot use /delete-node/ directive to delete a node in a DT
overlay.  The node won't be deleted effectively.  Instead, set
the node's status property to "disabled" to achieve something
similar.

Fixes: eeb403df ("ARM: dts: imx53-qsb: add support for the HDMI expander")
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/nxp/imx/imx53-qsb-common.dtsi

@@ -85,7 +85,7 @@ led-user {
 		};
 	};
 
-	panel {
+	panel_dpi: panel {
 		compatible = "sii,43wvf1g";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_display_power>;

arch/arm/boot/dts/nxp/imx/imx53-qsb-hdmi.dtso

@@ -10,8 +10,6 @@
 /plugin/;
 
 &{/} {
-	/delete-node/ panel;
-
 	hdmi: connector-hdmi {
 		compatible = "hdmi-connector";
 		label = "hdmi";
@@ -82,6 +80,10 @@ sii9022_out: endpoint {
 	};
 };
 
+&panel_dpi {
+	status = "disabled";
+};
+
 &tve {
 	status = "disabled";
 };