meta-ampere: Support Ampere power control

Implement the Ampere power control requirements for Altra system.

Tested:
- Check the ipmi commands: ipmi power on/off/soft/reset/cycle
- Check the redfish commands: On, Off, ForceOn, ForceOff,
GracefulShutdown, GracefulRestart, ForceRestart, PowerCycle

Signed-off-by: Tung Nguyen <tungnguyen@os.amperecomputing.com>
Change-Id: Id0c64c1284a6338ce47ca720d0ef75e99d21aa3c
14 files changed