sb_edac: Degrade log level for device registration

On a system with four Intel processors, it generates too many messages
"EDAC sbridge: Seeking for: dev 1d.3 PCI ID xxxx". And it doesn't give
many useful information for normal users, so change log level from INFO
to DEBUG.

Signed-off-by: Jiang Liu <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Acked-by: Aristeu Rozanski <[e-mail]>
Signed-off-by: Borislav Petkov <[e-mail]>

drivers/edac/sb_edac.c

···
 	struct pci_dev *pdev = NULL;
 	u8 bus = 0;
 
-	sbridge_printk(KERN_INFO,
+	sbridge_printk(KERN_DEBUG,
 		"Seeking for: dev %02x.%d PCI ID %04x:%04x\n",
 		dev_descr->dev, dev_descr->func,
 		PCI_VENDOR_ID_INTEL, dev_descr->dev_id);