pinctrl: aw9523: add missing mutex_destroy

Otherwise the mutex remains after a failed kzalloc.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://lore.kernel.org/20241001212724.309320-1-rosenp@gmail.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-aw9523.c

@@ -987,8 +987,10 @@ static int aw9523_probe(struct i2c_client *client)
 	lockdep_set_subclass(&awi->i2c_lock, i2c_adapter_depth(client->adapter));
 
 	pdesc = devm_kzalloc(dev, sizeof(*pdesc), GFP_KERNEL);
-	if (!pdesc)
-		return -ENOMEM;
+	if (!pdesc) {
+		ret = -ENOMEM;
+		goto err_disable_vregs;
+	}
 
 	ret = aw9523_hw_init(awi);
 	if (ret)