ACPI: APEI: Add BERT error log footer

Print total number of records found during BERT log parsing.
This also simplify dmesg parser implementation for BERT events.

Signed-off-by: Dmitry Monakhov <dmtrmonakhov@yandex-team.ru>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/apei/bert.c

@@ -90,6 +90,9 @@ static void __init bert_print_all(struct acpi_bert_region *region,
 
 	if (skipped)
 		pr_info(HW_ERR "Skipped %d error records\n", skipped);
+
+	if (printed + skipped)
+		pr_info("Total records found: %d\n", printed + skipped);
 }
 
 static int __init setup_bert_disable(char *str)