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-devtools/gcc/gcc-configure-common.inc b/poky/meta/recipes-devtools/gcc/gcc-configure-common.inc
index 24ba8ce..a64c4ca 100644
--- a/poky/meta/recipes-devtools/gcc/gcc-configure-common.inc
+++ b/poky/meta/recipes-devtools/gcc/gcc-configure-common.inc
@@ -17,6 +17,8 @@
 
 GCCPIE ??= ""
 
+SYMVERS_CONF ?= "--enable-symvers=gnu"
+
 EXTRA_OECONF = "\
     ${@['--enable-clocale=generic', ''][d.getVar('USE_NLS') != 'no']} \
     --with-gnu-ld \
@@ -27,10 +29,11 @@
     ${GCCPIE} \
     --enable-c99 \
     --enable-long-long \
-    --enable-symvers=gnu \
+    ${SYMVERS_CONF} \
     --enable-libstdcxx-pch \
     --program-prefix=${TARGET_PREFIX} \
     --without-local-prefix \
+    --disable-install-libiberty \
     ${EXTRA_OECONF_BASE} \
     ${EXTRA_OECONF_GCC_FLOAT} \
     ${EXTRA_OECONF_PATHS} \