mpc85xx_edac: fix error: too few arguments to function 'edac_mc_alloc'

commit ca0907b "edac: Remove the legacy EDAC ABI" broke mpc85xx_edac
in the following manner:

mpc85xx_edac.c:983:35: error: too few arguments to function 'edac_mc_alloc'

this patch puts back the missing 'layers' argument.

[mchehab@redhat.com: As Ben sent a similar fix, I added his SOB on this patch]
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/edac/mpc85xx_edac.c

@@ -980,7 +980,8 @@ static int __devinit mpc85xx_mc_err_probe(struct platform_device *op)
 	layers[1].type = EDAC_MC_LAYER_CHANNEL;
 	layers[1].size = 1;
 	layers[1].is_virt_csrow = false;
-	mci = edac_mc_alloc(edac_mc_idx, ARRAY_SIZE(layers), sizeof(*pdata));
+	mci = edac_mc_alloc(edac_mc_idx, ARRAY_SIZE(layers), layers,
+			    sizeof(*pdata));
 	if (!mci) {
 		devres_release_group(&op->dev, mpc85xx_mc_err_probe);
 		return -ENOMEM;