irqchip/irq-bcm7120-l2: Add put_device() after of_find_device_by_node()

This was found by coccicheck:
./drivers/irqchip/irq-bcm7120-l2.c,328,1-7,ERROR  missing put_device;
call of_find_device_by_node on line 234, but without a corresponding
object release within this function.
./drivers/irqchip/irq-bcm7120-l2.c,341,1-7,ERROR  missing put_device;
call of_find_device_by_node on line 234, but without a corresponding
object release within this function.

Reported-by: Zeal Robot <[email protected]>
Signed-off-by: Ye Guojin <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Ye Guojin

drivers/irqchip/irq-bcm7120-l2.c

@@ -238,6 +238,7 @@ static int __init bcm7120_l2_intc_probe(struct device_node *dn,
 	}
 
 	data->num_parent_irqs = platform_irq_count(pdev);
+	put_device(&pdev->dev);
 	if (data->num_parent_irqs <= 0) {
 		pr_err("invalid number of parent interrupts\n");
 		ret = -ENOMEM;