MAINTAINERS: Add SoundWire entry

Add the SoundWire subsystem maintainer entry with details and
Sanyog and me as maintainers.

Signed-off-by: Sanyog Kale <sanyog.r.kale@intel.com>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Acked-By: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -12731,6 +12731,15 @@ F:	Documentation/sound/alsa/soc/
 F:	sound/soc/
 F:	include/sound/soc*
 
+SOUNDWIRE SUBSYSTEM
+M:	Vinod Koul <vinod.koul@intel.com>
+M:	Sanyog Kale <sanyog.r.kale@intel.com>
+L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
+S:	Supported
+F:	Documentation/driver-api/soundwire/
+F:	drivers/soundwire/
+F:	include/linux/soundwire/
+
 SP2 MEDIA DRIVER
 M:	Olli Salonen <olli.salonen@iki.fi>
 L:	linux-media@vger.kernel.org