MAINTAINERS: Include sof headers under ASoC

Add missing sof header files for ASoC.
Suggested-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/lkml/f258a7e6-0728-4f55-a71a-6e99113ce7e5@sirena.org.ukSigned-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20231005025618.work.355-kees@kernel.orgSigned-off-by: Mark Brown <broonie@kernel.org>

MAINTAINERS

@@ -20113,7 +20113,9 @@ F:	Documentation/devicetree/bindings/sound/
 F:	Documentation/sound/soc/
 F:	include/dt-bindings/sound/
 F:	include/sound/soc*
+F:	include/sound/sof.h
 F:	include/sound/sof/
+F:	include/trace/events/sof*.h
 F:	include/uapi/sound/asoc.h
 F:	sound/soc/