ASoC: cs35l36: Fix an IS_ERR() vs NULL checking bug

The irq_get_irq_data() function doesn't return error pointers, it
returns NULL.

Fixes: 6ba9dd6c ("ASoC: cs35l36: Add support for Cirrus CS35L36 Amplifier")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs35l36.c

@@ -1845,9 +1845,9 @@ static int cs35l36_i2c_probe(struct i2c_client *i2c_client,
 		cs35l36_apply_vpbr_config(cs35l36);
 
 	irq_d = irq_get_irq_data(i2c_client->irq);
-	if (IS_ERR(irq_d)) {
+	if (!irq_d) {
 		dev_err(&i2c_client->dev, "Invalid IRQ: %d\n", i2c_client->irq);
-		ret = PTR_ERR(irq_d);
+		ret = -ENODEV;
 		goto err;
 	}