ACPICA: Use faster ByIndex interface to get FACS

Signed-off-by: NAlexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: NLen Brown <len.brown@intel.com>

drivers/acpi/events/evmisc.c

@@ -347,8 +347,8 @@ acpi_status acpi_ev_init_global_lock_handler(void)
 	ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);
 
 	status =
-	    acpi_get_table(ACPI_SIG_FACS, 0,
-			   (struct acpi_table_header **)&facs);
+	    acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+				    (struct acpi_table_header **)&facs);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}