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/bitbake/lib/bb/ui/ncurses.py b/poky/bitbake/lib/bb/ui/ncurses.py
index c422732..da4fbea 100644
--- a/poky/bitbake/lib/bb/ui/ncurses.py
+++ b/poky/bitbake/lib/bb/ui/ncurses.py
@@ -37,7 +37,7 @@
 
 
 import logging
-import os, sys, itertools, time, subprocess
+import os, sys, itertools, time
 
 try:
     import curses
@@ -46,7 +46,6 @@
 
 import bb
 import xmlrpc.client
-from bb import ui
 from bb.ui import uihelper
 
 parsespin = itertools.cycle( r'|/-\\' )
@@ -239,7 +238,7 @@
             if error:
                 print("Error running command '%s': %s" % (cmdline, error))
                 return
-            elif ret != True:
+            elif not ret:
                 print("Couldn't get default commandlind! %s" % ret)
                 return
         except xmlrpc.client.Fault as x: