The Rockchip I2S driver supports the RK3588/RK3588S SoCs, hence add the
corresponding compatible string.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20230315114806.3819515-9-cristian.ciocaltea@collabora.comSigned-off-by: Mark Brown <broonie@kernel.org>