ASoC: fsi: modify compile error

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

include/sound/sh_fsi.h

@@ -114,7 +114,4 @@ struct sh_fsi_platform_info {
 	int (*set_rate)(int is_porta, int rate); /* for master mode */
 };
 
-extern struct snd_soc_dai_driver fsi_soc_dai[2];
-extern struct snd_soc_platform_driver fsi_soc_platform;
-
 #endif /* __SOUND_FSI_H */