ASoC: fsl: lpc3xxx-i2s: Remove set but not used variable 'savedbitclkrate'

The variable savedbitclkrate is assigned and never used, so can be removed.

sound/soc/fsl/lpc3xxx-i2s.c:42:13: warning: variable ‘savedbitclkrate’ set but not used [-Wunused-but-set-variable]

Fixes: 0959de65 ("ASoC: fsl: Add i2s and pcm drivers for LPC32xx CPUs")
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Link: https://patch.msgid.link/20240731022949.135016-1-yuehaibing@huawei.com


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