Fix the following coccicheck warning:

./sound/soc/fsl/fsl_xcvr.c:739:2-3: Unneeded semicolon
Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20210506022452.5762-1-wanjiabing@vivo.comSigned-off-by: Mark Brown <broonie@kernel.org>