ASoC: mmp-sspa: Flip SNDRV_PCM_FMTBIT_S24_3LE on

The hw_params() callback handles the 3-byte format, not
SNDRV_PCM_FMTBIT_S24_LE.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lore.kernel.org/r/20200511210134.1224532-2-lkundrak@v3.sk


Signed-off-by: Mark Brown <broonie@kernel.org>