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/checksum.py b/poky/bitbake/lib/bb/checksum.py
index 5bc8a8f..1d50a26 100644
--- a/poky/bitbake/lib/bb/checksum.py
+++ b/poky/bitbake/lib/bb/checksum.py
@@ -9,7 +9,6 @@
 import operator
 import os
 import stat
-import pickle
 import bb.utils
 import logging
 from bb.cache import MultiProcessCache
@@ -74,7 +73,7 @@
             else:
                 dest[0][h] = source[0][h]
 
-    def get_checksums(self, filelist, pn):
+    def get_checksums(self, filelist, pn, localdirsexclude):
         """Get checksums for a list of files"""
 
         def checksum_file(f):
@@ -90,7 +89,8 @@
             if pth == "/":
                 bb.fatal("Refusing to checksum /")
             dirchecksums = []
-            for root, dirs, files in os.walk(pth):
+            for root, dirs, files in os.walk(pth, topdown=True):
+                [dirs.remove(d) for d in list(dirs) if d in localdirsexclude]
                 for name in files:
                     fullpth = os.path.join(root, name)
                     checksum = checksum_file(fullpth)