For both capture and playback streams to work at the same time, only the
needed values from a register need to be updated. Also, clocks should be
enabled only when the first stream is started and stopped when there is no
running stream.

Fixes: b543e467 ("ASoC: atmel-i2s: add driver for the new Atmel I2S controller")
Signed-off-by: NCodrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20210618150741.401739-2-codrin.ciubotariu@microchip.comSigned-off-by: NMark Brown <broonie@kernel.org>