ASoC: meson: cards: remove DT_PREFIX for standard daifmt properties

Standard dai format property don't need the "amlogic," prefix.
There nothing amlogic specific about them. Just remove it.

Fixes: 435857e0 ("ASoC: meson: align axg card driver with DT bindings documentation")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20200729154456.1983396-5-jbrunet@baylibre.com


Signed-off-by: Mark Brown <broonie@kernel.org>