irqchip/renesas-rzg2l: Remove dev_err_probe() if error is -ENOMEM

The dev_err_probe() doesn't do anything when error is '-ENOMEM'.

Therefore, remove the useless call to dev_err_probe(), and just return the
value instead.

Signed-off-by: Xichao Zhao <[e-mail]>
Signed-off-by: Thomas Gleixner <[e-mail]>
Link: https://lore.kernel.org/all/[e-mail]

drivers/irqchip/irq-renesas-rzg2l.c

···
 						 &rzg2l_irqc_domain_ops, rzg2l_irqc_data);
 	if (!irq_domain) {
 		pm_runtime_put(dev);
-		return dev_err_probe(dev, -ENOMEM, "failed to add irq domain\n");
+		return -ENOMEM;
 	}
 
 	register_syscore_ops(&rzg2l_irqc_syscore_ops);