Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-next-311019-1' into...

Fixes to get CI green again

  - fix m68k acceptance tests (Cleber)
  - stop build breakage (Daniel)

# gpg: Signature made Thu 31 Oct 2019 10:00:53 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <[email protected]>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-next-311019-1:
  Acceptance test: update kernel for m68k/q800 test
  Acceptance test: cancel test if m68k kernel packages goes missing
  tests: fix conditional for disabling XTS test

Signed-off-by: Peter Maydell <[email protected]>