mmc: mtk-sd: add Inline Crypto Engine clock control

Add crypto clock control and ungate it before CQHCI init.

Signed-off-by: Mengqi Zhang <mengqi.zhang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221106033924.9854-2-mengqi.zhang@mediatek.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
