arm64: dts: allwinner: h616: Add audio codec node

Now that the sun4i codec driver supports the H616, add a node in the
device tree for it (correcting the spdif block location at the same
time).

Signed-off-by: Ryan Walklin <ryan@testtoast.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Link: https://patch.msgid.link/20241023075917.186835-7-ryan@testtoast.com


Signed-off-by: Chen-Yu Tsai <wens@csie.org>