ARM: sun4i: Enable cubieboard audio codec

The cubieboard uses the internal codec to output sound to its mini-jack.
Enable it.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun4i-a10-cubieboard.dts

@@ -83,6 +83,10 @@ &ahci {
 	status = "okay";
 };
 
+&codec {
+	status = "okay";
+};
+
 &cpu0 {
 	cpu-supply = <&reg_dcdc2>;
 };