HPE Aruba 6300M Switch CPU and Memory Poller

This poller was created for / tested against an Aruba 6300M Switch running ArubaOS-CX 10.x, under NPM 2020.2.5. It may work for other models, though unknown.

Note:  It does appear there can be some variance in the CPU value when compared to a 'show system' command on the switch, but seems to be a result of how they average things in the OID table versus the show command; but seems relatively accurate.