Add power supply information
Add power supply information

Use ps1_type and ps1_status to report power injector type
(e.g., cdp negotiated, inline power, etc.) and status
(e.g., full power, reduced power)

lucwillems/SNMP-INFO,lucwillems/SNMP-INFO,lucwillems/SNMP-INFO,42wim/snmp-info,42wim/snmp-info