arm64: dts: mediatek: mt8186-corsola: make SDIO card removable

Under specific conditions, the SDIO function driver needs to
remove/add SDIO card to perform a reset. Remove the non-removable
property to support this scenario.

Signed-off-by: Axe Yang <axe.yang@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20250424013603.32351-1-axe.yang@mediatek.com


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