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/classes/grub-efi-cfg.bbclass b/poky/meta/classes/grub-efi-cfg.bbclass
index 8b5ff20..3a2cdd6 100644
--- a/poky/meta/classes/grub-efi-cfg.bbclass
+++ b/poky/meta/classes/grub-efi-cfg.bbclass
@@ -88,6 +88,12 @@
     for label in labels.split():
         localdata = d.createCopy()
 
+        overrides = localdata.getVar('OVERRIDES')
+        if not overrides:
+            bb.fatal('OVERRIDES not defined')
+
+        localdata.setVar('OVERRIDES', 'grub_' + label + ':' + overrides)
+
         for btype in btypes:
             cfgfile.write('\nmenuentry \'%s%s\'{\n' % (label, btype[0]))
             lb = label