Merge remote-tracking branch 'remotes/rth/tags/pull-tgt-20170302' into staging

Merge remote-tracking branch 'remotes/rth/tags/pull-tgt-20170302' into staging

Queued sparc patch

# gpg: Signature made Wed 01 Mar 2017 19:53:21 GMT
# gpg:                using RSA key 0xAD1270CC4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"
# Primary key fingerprint: 9CB1 8DDA F8E8 49AD 2AFC  16A4 AD12 70CC 4DD0 279B

* remotes/rth/tags/pull-tgt-20170302:
  target/sparc: Restore ldstub of odd asis

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