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/recipes-core/glibc/glibc-version.inc b/poky/meta/recipes-core/glibc/glibc-version.inc
index c18c583..4c72eed 100644
--- a/poky/meta/recipes-core/glibc/glibc-version.inc
+++ b/poky/meta/recipes-core/glibc/glibc-version.inc
@@ -1,6 +1,6 @@
-SRCBRANCH ?= "release/2.30/master"
-PV = "2.30"
-SRCREV_glibc ?= "be9a328c93834648e0bec106a1f86357d1a8c7e1"
+SRCBRANCH ?= "release/2.31/master"
+PV = "2.31+git${SRCPV}"
+SRCREV_glibc ?= "71f2b249a28e17eac0e47c53af44d5c5b65101aa"
 SRCREV_localedef ?= "cd9f958c4c94a638fa7b2b4e21627364f1a1a655"
 
 GLIBC_GIT_URI ?= "git://sourceware.org/git/glibc.git"