Add support for Nokia ISAM (#9793)

* add mibs,first commit

* adds support for Nokia ISAM Plattform

* remove some comments

* change os polling to multi oid

* Restore file headers

* Fix discovery by sysObjectID

* first deactivate checks against IHUB (timos), It not necessary so long we can not provide more thatn one snmp community per device

* move snmp state and temperature from pre-cache

* Update os_schema.json

includes/polling/mempools/nokia-isam.inc.php

@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * LibreNMS NOKIA ISAM RAM polling module
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.  Please see LICENSE.txt at the top level of
+ * the source code distribution for details.
+*/
+echo 'Nokia ISAM Memory: ';
+
+$oid = $mempool['mempool_index'];
+
+$oids = array(
+    "memAbsoluteUsage.$oid",
+    "totalMemSize.$oid",
+);
+$data = snmp_get_multi_oid($device, $oids, '-OUQ', 'ASAM-SYSTEM-MIB');
+
+list($mempool['used'], $mempool['total']) = array_values($data);
+$mempool['free'] = ($mempool['total'] + $mempool['used']);