Add Support for monitoring Power Supply on Huawei VRP Devices

Huawei has in newer Versions of their VRP OS an almost standardized oid to check the health of the Power Supplies. Can you please add support for this?

There is already support for fan status, it should be very similar to this i think.

The description is in the MIBS file HUAWEI-ENTITY-EXTENT-MIB:

– 1.3.6.1.4.1.2011.5.25.31.1.1.18
hwPwrStatusTable OBJECT-TYPE
SYNTAX SEQUENCE OF HwPwrStatusEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table lists the status of powers. You can read the status of the powers on the device."
::= { hwEntityState 18 }