Merge remote-tracking branch 'remotes/vivier/tags/m68k-part2-pull-request' into staging

# gpg: Signature made Fri 28 Oct 2016 09:44:23 BST
# gpg:                using RSA key 0xF30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>"
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>"
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>"
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier/tags/m68k-part2-pull-request:
  MAINTAINERS: update M68K entry
  target-m68k: immediate ops manage word and byte operands
  target-m68k: cmp manages word and bytes operands
  target-m68k: add/sub manage word and byte operands
  target-m68k: add addressing modes to neg
  target-m68k: introduce byte and word cc_ops
  target-m68k: some bit ops cleanup
  target-m68k: suba/adda can manage word operand
  target-m68k: and can manage word and byte operands
  target-m68k: or can manage word and byte operands
  target-m68k: eor can manage word and byte operands
  target-m68k: add addressing modes to not
  target-m68k: Inline addx, subx, negx
  target-m68k: add dbcc
  target-m68k: add addressing modes to scc
  target-m68k: add exg ops
  target-m68k: add linkl
  target-m68k: add bkpt instruction

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