ASoC: rsnd: tidyup void* cast for 64bit compiler

64bit compiler indicates this without this patch

linux/sound/soc/sh/rcar/core.c: In function 'rsnd_probe':
linux/sound/soc/sh/rcar/core.c:1002:16: warning: cast from pointer to\
     integer of different size [-Wpointer-to-int-cast]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/core.c

@@ -999,7 +999,7 @@ static int rsnd_probe(struct platform_device *pdev)
 	}
 
 	priv->pdev	= pdev;
-	priv->flags	= (u32)of_id->data;
+	priv->flags	= (unsigned long)of_id->data;
 	spin_lock_init(&priv->lock);
 
 	/*

sound/soc/sh/rcar/rsnd.h

@@ -379,7 +379,7 @@ struct rsnd_priv {
 
 	struct platform_device *pdev;
 	spinlock_t lock;
-	u32 flags;
+	unsigned long flags;
 #define RSND_GEN_MASK	(0xF << 0)
 #define RSND_GEN1	(1 << 0)
 #define RSND_GEN2	(2 << 0)