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/lib/oe/qa.py b/poky/meta/lib/oe/qa.py
index 21066c4..ea831b9 100644
--- a/poky/meta/lib/oe/qa.py
+++ b/poky/meta/lib/oe/qa.py
@@ -41,13 +41,15 @@
     def __init__(self, name):
         self.name = name
         self.objdump_output = {}
+        self.data = None
 
     # Context Manager functions to close the mmap explicitly
     def __enter__(self):
         return self
 
     def __exit__(self, exc_type, exc_value, traceback):
-        self.data.close()
+        if self.data:
+            self.data.close()
 
     def open(self):
         with open(self.name, "rb") as f: