edac: edac_mc_handle_error(): add an error_count parameter

In order to avoid loosing error events, it is desirable to group
error events together and generate a single trace for several identical
errors.

The trace API already allows reporting multiple errors. Change the
handle_error function to also allow that.

The changes at the drivers were made by this small script:

	$file .=$_ while (<>);
	$file =~ s/(edac_mc_handle_error)\s*\(([^\,]+)\,([^\,]+)\,/$1($2,$3, 1,/g;
	print $file;

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/edac/i3000_edac.c b/drivers/edac/i3000_edac.c
index dd07bea..d3d19cc 100644
--- a/drivers/edac/i3000_edac.c
+++ b/drivers/edac/i3000_edac.c
@@ -245,7 +245,7 @@
 		return 1;
 
 	if ((info->errsts ^ info->errsts2) & I3000_ERRSTS_BITS) {
-		edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 0, 0, 0,
+		edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, 0, 0, 0,
 				     -1, -1, -1,
 				     "UE overwrote CE", "");
 		info->errsts = info->errsts2;
@@ -258,12 +258,12 @@
 	row = edac_mc_find_csrow_by_page(mci, pfn);
 
 	if (info->errsts & I3000_ERRSTS_UE)
-		edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci,
+		edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
 				     pfn, offset, 0,
 				     row, -1, -1,
 				     "i3000 UE", "");
 	else
-		edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci,
+		edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
 				     pfn, offset, info->derrsyn,
 				     row, multi_chan ? channel : 0, -1,
 				     "i3000 CE", "");