ASoC: Request shared rates for WM8903

It has a shared LRCLK.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8903.c b/sound/soc/codecs/wm8903.c
index 8cf571f..c539184 100644
--- a/sound/soc/codecs/wm8903.c
+++ b/sound/soc/codecs/wm8903.c
@@ -1523,6 +1523,7 @@
 		 .formats = WM8903_FORMATS,
 	 },
 	.ops = &wm8903_dai_ops,
+	.symmetric_rates = 1,
 };
 EXPORT_SYMBOL_GPL(wm8903_dai);