ARM: sun7i: dt: enable audio codec on Cubietruck

This commit enables the on-chip audio codec present on the A20 SoC
for the Cubietruck.

Signed-off-by: Emilio López <[e-mail]>
Signed-off-by: Hans de Goede <[e-mail]>
Signed-off-by: Maxime Ripard <[e-mail]>
Acked-by: Chen-Yu Tsai <[e-mail]>

arch/arm/boot/dts/sun7i-a20-cubietruck.dts

···
 	status = "okay";
 };
 
+&codec {
+	status = "okay";
+};
+
 &cpu0 {
 	cpu-supply = <&reg_dcdc2>;
 };