ASoC: max98357a: Fix build in !CONFIG_OF case

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/max98357a.c b/sound/soc/codecs/max98357a.c
index 98b9153..1806333 100644
--- a/sound/soc/codecs/max98357a.c
+++ b/sound/soc/codecs/max98357a.c
@@ -120,6 +120,7 @@
 	{ .compatible = "maxim," DRV_NAME, },
 	{}
 };
+MODULE_DEVICE_TABLE(of, max98357a_device_id);
 #endif
 
 static struct platform_driver max98357a_platform_driver = {
@@ -135,4 +136,3 @@
 MODULE_DESCRIPTION("Maxim MAX98357A Codec Driver");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:" DRV_NAME);
-MODULE_DEVICE_TABLE(of, max98357a_device_id);