Add optional nfi_hclk which is needed for MT7986.
Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230201020921.26712-3-xiangsheng.hou@mediatek.comSigned-off-by: Mark Brown <broonie@kernel.org>