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/meta-openembedded/meta-python/recipes-devtools/python/python3-backports-functools-lru-cache_1.6.1.bb b/meta-openembedded/meta-python/recipes-devtools/python/python3-backports-functools-lru-cache_1.6.1.bb
new file mode 100644
index 0000000..c95a759
--- /dev/null
+++ b/meta-openembedded/meta-python/recipes-devtools/python/python3-backports-functools-lru-cache_1.6.1.bb
@@ -0,0 +1,19 @@
+SUMMARY = "Backport of functools.lru_cache from Python 3.3"
+HOMEPAGE = "https://github.com/jaraco/backports.functools_lru_cache"
+SECTION = "devel/python"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=a33f38bbf47d48c70fe0d40e5f77498e"
+
+PYPI_PACKAGE = "backports.functools_lru_cache"
+
+SRC_URI[md5sum] = "103000b21a8e683647e2ce41929f2a9d"
+SRC_URI[sha256sum] = "8fde5f188da2d593bd5bc0be98d9abc46c95bb8a9dde93429570192ee6cc2d4a"
+
+DEPENDS += "${PYTHON_PN}-setuptools-scm-native"
+
+inherit pypi setuptools3
+
+RDEPENDS_${PN} += "\
+    ${PYTHON_PN}-pickle \
+    ${PYTHON_PN}-threading \
+    "