ARM: dts: sun6i: Add simplefb node

Add a simplefb template node for u-boot to further fill and activate.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun6i-a31.dtsi

@@ -62,6 +62,16 @@ aliases {
 		ethernet0 = &gmac;
 	};
 
+	chosen {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		framebuffer0-hdmi {
+			compatible = "simple-framebuffer";
+			status = "disabled";
+		};
+	};
 
 	cpus {
 		enable-method = "allwinner,sun6i-a31";