ASoC: meson: imply acodec glue on axg sound card

When axg card driver support is enabled, lets enable the related
internal DAC glue by default.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20200617155047.1187256-1-jbrunet@baylibre.com


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