MAINTAINERS: Add entry for Renesas RZ ASoC driver

Add a new entry to the MAINTAINERS file for Renesas RZ ASoC driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://patch.msgid.link/20241025150511.722040-6-prabhakar.mahadev-lad.rj@bp.renesas.com
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: prabhakarlad

MAINTAINERS

@@ -19726,6 +19726,15 @@ S:	Supported
 F:	Documentation/devicetree/bindings/i2c/renesas,riic.yaml
 F:	drivers/i2c/busses/i2c-riic.c
 
+RENESAS RZ AUDIO (ASoC) DRIVER
+M:	Biju Das <biju.das.jz@bp.renesas.com>
+M:	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
+L:	linux-sound@vger.kernel.org
+L:	linux-renesas-soc@vger.kernel.org
+S:	Supported
+F:	Documentation/devicetree/bindings/sound/renesas,rz-ssi.yaml
+F:	sound/soc/renesas/rz-ssi.c
+
 RENESAS RZ/G2L A/D DRIVER
 M:	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
 L:	linux-iio@vger.kernel.org