irq_domain: Be less verbose

irq_domain printk's too much.  Drop some output.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Olof Johansson <olof@lixom.net>

kernel/irq/irqdomain.c

@@ -170,13 +170,11 @@ void irq_domain_generate_simple(const struct of_device_id *match,
 				u64 phys_base, unsigned int irq_start)
 {
 	struct device_node *node;
-	pr_info("looking for phys_base=%llx, irq_start=%i\n",
+	pr_debug("looking for phys_base=%llx, irq_start=%i\n",
 		(unsigned long long) phys_base, (int) irq_start);
 	node = of_find_matching_node_by_address(NULL, match, phys_base);
 	if (node)
 		irq_domain_add_simple(node, irq_start);
-	else
-		pr_info("no node found\n");
 }
 EXPORT_SYMBOL_GPL(irq_domain_generate_simple);
 #endif /* CONFIG_OF_IRQ */