ARM: dts: omap: add channel to DSI panels

The standard binding for DSI requires that the channel number
of the panel is encoded in DT. This adds the channel number in
all OMAP3-5 boards in preparation for using common infrastructure.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 52e8298..6557e69 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -572,6 +572,9 @@ dsi1: encoder@0 {
 						clocks = <&l3_dss_clkctrl OMAP4_DSS_CORE_CLKCTRL 8>,
 							 <&l3_dss_clkctrl OMAP4_DSS_CORE_CLKCTRL 10>;
 						clock-names = "fck", "sys_clk";
+
+						#address-cells = <1>;
+						#size-cells = <0>;
 					};
 				};
 
@@ -604,6 +607,9 @@ dsi2: encoder@0 {
 						clocks = <&l3_dss_clkctrl OMAP4_DSS_CORE_CLKCTRL 8>,
 						         <&l3_dss_clkctrl OMAP4_DSS_CORE_CLKCTRL 10>;
 						clock-names = "fck", "sys_clk";
+
+						#address-cells = <1>;
+						#size-cells = <0>;
 					};
 				};