Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into...

PC compat bug fix for 2.12

# gpg: Signature made Fri 16 Mar 2018 19:30:25 GMT
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  pc: correct misspelled CPU model-id for pc 2.2

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