ALSA: add a module alias to the FSI driver

This patch enables FSI driver autoloading on sh-mobile systems.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms@verge.net.au>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

sound/soc/sh/fsi.c

@@ -1321,3 +1321,4 @@ module_exit(fsi_mobile_exit);
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("SuperH onchip FSI audio driver");
 MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
+MODULE_ALIAS("platform:fsi-pcm-audio");