implement np specific metrics

[mbdraks]

FORTINET-FORTIGATE-MIB::fgNPUNumber.0 = INTEGER: 2
FORTINET-FORTIGATE-MIB::fgNPUName.0 = STRING: NP6
FORTINET-FORTIGATE-MIB::fgNPUDrvDriftSum.0 = INTEGER: 0
FORTINET-FORTIGATE-MIB::fgNPUIndex.0 = INTEGER: 0
FORTINET-FORTIGATE-MIB::fgNPUIndex.1 = INTEGER: 1
FORTINET-FORTIGATE-MIB::fgNPUSessionTblSize.0 = Gauge32: 33554432
FORTINET-FORTIGATE-MIB::fgNPUSessionTblSize.1 = Gauge32: 33554432
FORTINET-FORTIGATE-MIB::fgNPUSessionCount.0 = Gauge32: 0
FORTINET-FORTIGATE-MIB::fgNPUSessionCount.1 = Gauge32: 0
FORTINET-FORTIGATE-MIB::fgNPUDrvDrift.0 = INTEGER: 0
FORTINET-FORTIGATE-MIB::fgNPUDrvDrift.1 = INTEGER: 0

OIDs

FORTINET-FORTIGATE-MIB:fortinet.fnFortiGateMib.fgNPU.fgNPUNumber | 1.3.6.1.4.1.12356.101.20.1.1
FORTINET-FORTIGATE-MIB:fortinet.fnFortiGateMib.fgNPU.fgNPUName | 1.3.6.1.4.1.12356.101.20.1.2
FORTINET-FORTIGATE-MIB:fortinet.fnFortiGateMib.fgNPU.fgNPUDrvDriftSum | 1.3.6.1.4.1.12356.101.20.1.3
FORTINET-FORTIGATE-MIB:fortinet.fnFortiGateMib.fgNPU.fgNPUTables.fgNPUTable.fgNPUEntry.fgNPUEntIndex | 1.3.6.1.4.1.12356.101.20.2.1.1.1
FORTINET-FORTIGATE-MIB:fortinet.fnFortiGateMib.fgNPU.fgNPUTables.fgNPUTable.fgNPUEntry.fgNPUEntSessionTblSize | 1.3.6.1.4.1.12356.101.20.2.1.1.2
FORTINET-FORTIGATE-MIB:fortinet.fnFortiGateMib.fgNPU.fgNPUTables.fgNPUTable.fgNPUEntry.fgNPUEntSessionCount | 1.3.6.1.4.1.12356.101.20.2.1.1.3
FORTINET-FORTIGATE-MIB:fortinet.fnFortiGateMib.fgNPU.fgNPUTables.fgNPUTable.fgNPUEntry.fgNPUEntDrvDrift | 1.3.6.1.4.1.12356.101.20.2.1.1.4