Merge remote-tracking branch 'remotes/cminyard/tags/for-qemu-ipmi-5' into staging

Man page update and new set sensor command

Some minor man page updates for fairly obvious things.

The set sensor command addition has been in the Power group's tree for a
long time and I have neglected to submit it.

-corey

# gpg: Signature made Fri 17 Jul 2020 17:45:32 BST
# gpg:                using RSA key FD0D5CE67CE0F59A6688268661F38C90919BFF81
# gpg: Good signature from "Corey Minyard <cminyard@mvista.com>" [unknown]
# gpg:                 aka "Corey Minyard <minyard@acm.org>" [unknown]
# gpg:                 aka "Corey Minyard <corey@minyard.net>" [unknown]
# gpg:                 aka "Corey Minyard <minyard@mvista.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: FD0D 5CE6 7CE0 F59A 6688  2686 61F3 8C90 919B FF81

* remotes/cminyard/tags/for-qemu-ipmi-5:
  ipmi: add SET_SENSOR_READING command
  ipmi: Fix a man page entry
  ipmi: Add man page pieces for the IPMI PCI devices

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>