ASoC: rl6437a: use __be32 for a __be32 buf

The buf in rl6347a_hw_read is __be32.

Cc: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Bard liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rl6347a.c

@@ -64,8 +64,8 @@ int rl6347a_hw_read(void *context, unsigned int reg, unsigned int *value)
 	struct i2c_client *client = context;
 	struct i2c_msg xfer[2];
 	int ret;
-	__be32 be_reg;
-	unsigned int index, vid, buf = 0x0;
+	__be32 be_reg, buf = 0x0;
+	unsigned int index, vid;
 
 	/* handle index registers */
 	if (reg <= 0xff) {