ARM: sun5i: chip: Enable the audio codec

The CHIP v0.2 has a composite output on a mini-jack connector, the audio
part being provided by the on-SoC codec. Enable it.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>

arch/arm/boot/dts/sun5i-r8-chip.dts

@@ -66,6 +66,10 @@ chosen {
 	};
 };
 
+&codec {
+	status = "okay";
+};
+
 &ehci0 {
 	status = "okay";
 };