ARM: sun4i: Enable audio-codec on Mele A1000

Enable the audio-codec on the Mele A1000 top-set box.

Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>