ASoC: rockchip: i2s: use regmap_read_poll_timeout_atomic to poll I2S_CLR

ASoC: rockchip: i2s: use regmap_read_poll_timeout_atomic to poll I2S_CLR

1. Uses regmap_read_poll_timeout_atomic to poll I2S_CLR as it is called
   within a spin lock.

2. Fixes the typo of break condition in regmap_read_poll_timeout_atomic.

Fixes: fbb0ec656ee5 ("ASoC: rockchip: i2s: use regmap_read_poll_timeout to poll I2S_CLR")
Signed-off-by: Judy Hsiao <judyhsiao@chromium.org>
Link: https://lore.kernel.org/r/20220930151546.2017667-1-judyhsiao@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>