ASoC: meson: aiu: fix semicolon.cocci warnings

sound/soc/meson/aiu-encoder-i2s.c:129:2-3: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

Fixes: 3e25c445

 ("ASoC: meson: aiu: add support for the Meson8 and Meson8b SoC families")
Signed-off-by: kbuild test robot <lkp@intel.com>
CC: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200222170154.GA119396@e50d7db646c3
Signed-off-by: Mark Brown <broonie@kernel.org>