EDAC, amd64: Change target of pci_name from F2 to F3

AMD Fam17h will not be using PCI function 2 for EDAC, but will continue
to use function 3. So let's get the name of F3 instead of F2 to support
Fam17h and previous families.

Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Cc: Aravind Gopalakrishnan <aravindksg.lkml@gmail.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1479423463-8536-5-git-send-email-Yazen.Ghannam@amd.com
Signed-off-by: Borislav Petkov <bp@suse.de>

drivers/edac/amd64_edac.c

@@ -2703,7 +2703,7 @@ static void setup_mci_misc_attrs(struct mem_ctl_info *mci,
 	mci->mod_name		= EDAC_MOD_STR;
 	mci->mod_ver		= EDAC_AMD64_VERSION;
 	mci->ctl_name		= fam->ctl_name;
-	mci->dev_name		= pci_name(pvt->F2);
+	mci->dev_name		= pci_name(pvt->F3);
 	mci->ctl_page_to_phys	= NULL;
 
 	/* memory scrubber interface */