docs: Fix a few typos

[timgates42]

There are small typos in:

• docs/troubleshooting.rst
• hpilo.py

Fixes:

• Should read upgrade rather than ugrade.
• Should read resetting rather than reseting.
• Should read occurrence rather than occurence.
• Should read multicast rather than mulicast.
• Should read minimum rather than minumum.
• Should read generally rather than generaly.
• Should read authentication rather than authenticatino.

Semi-automated pull request generated by https://github.com/timgates42/meticulous/blob/master/docs/NOTE.md

[seveas]

Thanks!