i2c: sh7760: fix IRQ error path

While adding the invalid IRQ check after calling platform_get_irq(),
I managed to overlook that the driver has a complex error path in its
probe() method, thus a simple *return* couldn't be used.  Use a proper
*goto* instead!

Fixes: e5b2e3e742 ("i2c: sh7760: add IRQ check")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omprussia.ru>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

drivers/i2c/busses/i2c-sh7760.c

@@ -473,7 +473,7 @@ static int sh7760_i2c_probe(struct platform_device *pdev)
 
 	ret = platform_get_irq(pdev, 0);
 	if (ret < 0)
-		return ret;
+		goto out3;
 	id->irq = ret;
 
 	id->adap.nr = pdev->id;