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-extended/xz/xz_5.2.4.bb b/poky/meta/recipes-extended/xz/xz_5.2.4.bb
index 791746e..1c4450a 100644
--- a/poky/meta/recipes-extended/xz/xz_5.2.4.bb
+++ b/poky/meta/recipes-extended/xz/xz_5.2.4.bb
@@ -1,5 +1,5 @@
 SUMMARY = "Utilities for managing LZMA compressed files"
-HOMEPAGE = "http://tukaani.org/xz/"
+HOMEPAGE = "https://tukaani.org/xz/"
 SECTION = "base"
 
 # The source includes bits of PD, GPLv2, GPLv3, LGPLv2.1+, but the only file
@@ -22,11 +22,13 @@
                     file://lib/getopt.c;endline=23;md5=2069b0ee710572c03bb3114e4532cd84 \
                     "
 
-SRC_URI = "http://tukaani.org/xz/xz-${PV}.tar.gz"
+SRC_URI = "https://tukaani.org/xz/xz-${PV}.tar.gz"
 SRC_URI[md5sum] = "5ace3264bdd00c65eeec2891346f65e6"
 SRC_URI[sha256sum] = "b512f3b726d3b37b6dc4c8570e137b9311e7552e8ccbab4d39d47ce5f4177145"
 UPSTREAM_CHECK_REGEX = "xz-(?P<pver>\d+(\.\d+)+)\.tar"
 
+CACHED_CONFIGUREVARS += "gl_cv_posix_shell=/bin/sh"
+
 inherit autotools gettext
 
 PACKAGES =+ "liblzma"
@@ -39,5 +41,3 @@
                      lzma lzcat unlzma"
 
 BBCLASSEXTEND = "native nativesdk"
-
-export CONFIG_SHELL="/bin/sh"