ASoC: rockchip: i2s: add text after tristate for SND_SOC_ROCKCHIP_I2S

For SND_SOC_ROCKCHIP_I2S, adding some text after the
tristate to make this directly user selectable.

Signed-off-by: Jianqun <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
1 file changed