arm64: dts: allwinner: a64: Update codec widget names

The sun8i-codec driver introduced a new set of DAPM widgets that more
accurately describe the hardware topology. Update the various device
trees to use the new widget names.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20200726012557.38282-7-samuel@sholland.org