Merge remote-tracking branch 'remotes/vivier/tags/m68k-for-2.10-pull-request' into...

# gpg: Signature made Wed 07 Jun 2017 10:29:50 BST
# gpg:                using RSA key 0xF30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <[email protected]>"
# gpg:                 aka "Laurent Vivier <[email protected]>"
# gpg:                 aka "Laurent Vivier (Red Hat) <[email protected]>"
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier/tags/m68k-for-2.10-pull-request:
  target/m68k: implement rtd

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