x86_64: arch/x86_64/kernel/aperture.c lower printk severity

Users that use kernel log filtering (e.g.  via syslogd or a proprietry method)
wouldn't like to see warning prints that are not really warnings.

Signed-off-by: Dan Aloni <da-x@monatomic.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/x86_64/kernel/aperture.c

@@ -214,7 +214,7 @@ void __init iommu_hole_init(void)
 	if (iommu_aperture_disabled || !fix_aperture || !early_pci_allowed())
 		return;
 
-	printk("Checking aperture...\n"); 
+	printk(KERN_INFO  "Checking aperture...\n");
 
 	fix = 0;
 	for (num = 24; num < 32; num++) {