rtc: isl12026: convert to i2c_new_dummy_device

Move from i2c_new_dummy() to i2c_new_dummy_device(), so we now get an
ERRPTR which we use in error handling.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20190722172618.4061-2-wsa+renesas@sang-engineering.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-isl12026.c

@@ -454,9 +454,9 @@ static int isl12026_probe_new(struct i2c_client *client)
 
 	isl12026_force_power_modes(client);
 
-	priv->nvm_client = i2c_new_dummy(client->adapter, ISL12026_EEPROM_ADDR);
-	if (!priv->nvm_client)
-		return -ENOMEM;
+	priv->nvm_client = i2c_new_dummy_device(client->adapter, ISL12026_EEPROM_ADDR);
+	if (IS_ERR(priv->nvm_client))
+		return PTR_ERR(priv->nvm_client);
 
 	priv->rtc = devm_rtc_allocate_device(&client->dev);
 	ret = PTR_ERR_OR_ZERO(priv->rtc);