ASoC: dt-bindings: mt8173-afe-pcm: Allow specifying reserved memory region

It is desirable to reserve memory for the audio frontend.

Allow the "memory-region" property, to be used to point to a reserved
memory region.

Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://patch.msgid.link/20250612074901.4023253-4-wenst@chromium.org


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