meta-openembedded and poky: subtree updates

Squash of the following due to dependencies among them
and OpenBMC changes:

meta-openembedded: subtree update:d0748372d2..9201611135
meta-openembedded: subtree update:9201611135..17fd382f34
poky: subtree update:9052e5b32a..2e11d97b6c
poky: subtree update:2e11d97b6c..a8544811d7

The change log was too large for the jenkins plugin
to handle therefore it has been removed. Here is
the first and last commit of each subtree:

meta-openembedded:d0748372d2
      cppzmq: bump to version 4.6.0
meta-openembedded:17fd382f34
      mpv: Remove X11 dependency
poky:9052e5b32a
      package_ipk: Remove pointless comment to trigger rebuild
poky:a8544811d7
      pbzip2: Fix license warning

Change-Id: If0fc6c37629642ee207a4ca2f7aa501a2c673cd6
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/poky/meta/recipes-devtools/python/python3-testtools/no_traceback2.patch b/poky/meta/recipes-devtools/python/python3-testtools/no_traceback2.patch
new file mode 100644
index 0000000..5945103
--- /dev/null
+++ b/poky/meta/recipes-devtools/python/python3-testtools/no_traceback2.patch
@@ -0,0 +1,23 @@
+traceback2 adds traceback for python2. Rather than depend on traceback2, we're
+python3 only so just use traceback.
+This caused breakage in oe-selftest -j which uses testtools on the autobuilder
+using buildtools-tarball.
+
+Upstream-Status: Inappropriate [Our recipe is python3 specific]
+(Once py2 is EOL upstream probably could/should take this)
+Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
+
+Index: testtools-2.3.0/testtools/content.py
+===================================================================
+--- testtools-2.3.0.orig/testtools/content.py
++++ testtools-2.3.0/testtools/content.py
+@@ -19,8 +19,7 @@ import os
+ import sys
+ 
+ from extras import try_import
+-# To let setup.py work, make this a conditional import.
+-traceback = try_import('traceback2')
++import traceback
+ 
+ from testtools.compat import (
+     _b,