edac: add support for error type "Info"

The CPER spec defines a forth type of error: informational
logs. Add support for it at the edac API and at the
trace event interface.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h
index 260470e..21cdb0b 100644
--- a/include/ras/ras_event.h
+++ b/include/ras/ras_event.h
@@ -78,9 +78,7 @@
 
 	TP_printk("%d %s error%s:%s%s on %s (mc:%d location:%d:%d:%d address:0x%08lx grain:%d syndrome:0x%08lx%s%s)",
 		  __entry->error_count,
-		  (__entry->error_type == HW_EVENT_ERR_CORRECTED) ? "Corrected" :
-			((__entry->error_type == HW_EVENT_ERR_FATAL) ?
-			"Fatal" : "Uncorrected"),
+		  mc_event_error_type(__entry->error_type),
 		  __entry->error_count > 1 ? "s" : "",
 		  ((char *)__get_str(msg))[0] ? " " : "",
 		  __get_str(msg),