EDAC: skx_common: downgrade message importance on missing PCI device

cherry-pick form linux-next commit 854bb48.

Both skx_edac and i10nm_edac drivers are loaded based on the matching CPU being
available which leads the module to be automatically loaded in virtual machines
as well. That will fail due the missing PCI devices. In both drivers the first
function to make use of the PCI devices is skx_get_hi_lo() will simply print

	EDAC skx: Can't get tolm/tohm

for each CPU core, which is noisy. This patch makes it a debug message.

Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20191204212325.c4k47p5hrnn3vpb5@redhat.com
Signed-off-by: Shile Zhang <shile.zhang@linux.alibaba.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>

Author: aristeu

drivers/edac/skx_common.c

@@ -235,7 +235,7 @@ int skx_get_hi_lo(unsigned int did, int off[], u64 *tolm, u64 *tohm)
 
 	pdev = pci_get_device(PCI_VENDOR_ID_INTEL, did, NULL);
 	if (!pdev) {
-		skx_printk(KERN_ERR, "Can't get tolm/tohm\n");
+		edac_dbg(2, "Can't get tolm/tohm\n");
 		return -ENODEV;
 	}