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/scripts/yocto-check-layer b/poky/scripts/yocto-check-layer
index 010830f..ca6c79b 100755
--- a/poky/scripts/yocto-check-layer
+++ b/poky/scripts/yocto-check-layer
@@ -84,7 +84,7 @@
         logger.setLevel(logging.ERROR)
 
     if not 'BUILDDIR' in os.environ:
-        logger.error("You must source the environment before run this script.")
+        logger.error("You must source the environment before running this script.")
         logger.error("$ source oe-init-build-env")
         return 1
     builddir = os.environ['BUILDDIR']
@@ -92,7 +92,7 @@
 
     layers = detect_layers(args.layers, args.no_auto)
     if not layers:
-        logger.error("Fail to detect layers")
+        logger.error("Failed to detect layers")
         return 1
     if args.additional_layers:
         additional_layers = detect_layers(args.additional_layers, args.no_auto)
@@ -108,7 +108,7 @@
     for layer in layers:
         if layer['type'] == LayerType.ERROR_BSP_DISTRO:
             logger.error("%s: Can't be DISTRO and BSP type at the same time."\
-                     " The conf/distro and conf/machine folders was found."\
+                     " Both conf/distro and conf/machine folders were found."\
                      % layer['name'])
             layers.remove(layer)
         elif layer['type'] == LayerType.ERROR_NO_LAYER_CONF: