The IMX91_CLK_SPDIF_GATE also controls the gate of IPG clock
and root clock, need to define them separately.
Otherwise disabling IMX91_CLK_SPDIF_GATE in driver will cause
IPG clock is disabled, then register accessing fail.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Chancel Liu <chancel.liu@nxp.com>
Acked-by: Jason Liu <jason.hui.liu@nxp.com>