MAINTAINERS: Generic Sound Card section

ALSA SoC Sound has Generic Sound Card (Simple-Card, Audio-Graph-Card,
Audio-Graph-Card2). Adds its Maintainer.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87ikt2a41c.wl-kuninori.morimoto.gx@renesas.com


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