MAINTAINERS: Update the MAINTAINERS enties for TEXAS INSTRUMENTS ASoC DRIVERS

Update the MAINTAINERS email for TEXAS INSTRUMENTS ASoC DRIVERS.
Signed-off-by: Kevin-Lu <kevin-lu@ti.com>
Link: https://lore.kernel.org/r/20230903161439.85-1-kevin-lu@ti.comSigned-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -21064,7 +21064,7 @@ F:	sound/soc/ti/
 TEXAS INSTRUMENTS AUDIO (ASoC/HDA) DRIVERS
 M:	Shenghao Ding <shenghao-ding@ti.com>
 M:	Kevin Lu <kevin-lu@ti.com>
-M:	Baojun Xu <x1077012@ti.com>
+M:	Baojun Xu <baojun.xu@ti.com>
 L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
 S:	Maintained
 F:	Documentation/devicetree/bindings/sound/tas2552.txt