arm64: dts: mediatek: Modify audio codec name for pmic

change `codec` in pmic (in mt8186-corsola.dtsi) to `audio-codec`

Signed-off-by: Zhengqiao Xia <xiazhengqiao@huaqin.corp-partner.google.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241212062046.22509-5-xiazhengqiao@huaqin.corp-partner.google.com


Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>