ARM: sunxi: dt: enable audio codec on mk802

This commit enables the on-chip audio codec present on some variants
of the MK802.

Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm/boot/dts/sun4i-a10-mk802.dts

@@ -58,6 +58,10 @@ chosen {
 	};
 };
 
+&codec {
+	status = "okay";
+};
+
 &ehci0 {
 	status = "okay";
 };