Merge remote-tracking branch...

Merge remote-tracking branch 'remotes/stsquad/tags/pull-ci-updates-for-softfreeze-021117-2' into staging

One fix for win32/64 cross compiles.

# gpg: Signature made Thu 02 Nov 2017 11:55:46 GMT
# gpg:                using RSA key 0xFBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>"
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-ci-updates-for-softfreeze-021117-2:
  docker: add python stdlib dependency (required by keycodemapdb)
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

tests/docker/dockerfiles/debian8-mxe.docker

@@ -13,6 +13,7 @@ RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys D43A795B73B16ABE964
 RUN apt-get update
 RUN DEBIAN_FRONTEND=noninteractive eatmydata \
     apt-get install -y --no-install-recommends \
+        libpython2.7-stdlib \
         $(apt-get -s install -y --no-install-recommends gw32.shared-mingw-w64 gw32.shared-mingw-w64 | egrep "^Inst mxe-x86-64-unknown-" | cut -d\  -f2)
 
 ENV PATH $PATH:/usr/lib/mxe/usr/bin/