mfd: stw481x: Convert to i2c's .probe_new()

The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221118224540.619276-464-uwe@kleine-koenig.org

drivers/mfd/stw481x.c

@@ -173,8 +173,7 @@ static const struct regmap_config stw481x_regmap_config = {
 	.val_bits = 8,
 };
 
-static int stw481x_probe(struct i2c_client *client,
-			 const struct i2c_device_id *id)
+static int stw481x_probe(struct i2c_client *client)
 {
 	struct stw481x			*stw481x;
 	int ret;
@@ -240,7 +239,7 @@ static struct i2c_driver stw481x_driver = {
 		.name	= "stw481x",
 		.of_match_table = stw481x_match,
 	},
-	.probe		= stw481x_probe,
+	.probe_new	= stw481x_probe,
 	.id_table	= stw481x_id,
 };