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-multimedia/libpng/libpng_1.6.37.bb b/poky/meta/recipes-multimedia/libpng/libpng_1.6.37.bb
index 2ed87a8..8c53d11 100644
--- a/poky/meta/recipes-multimedia/libpng/libpng_1.6.37.bb
+++ b/poky/meta/recipes-multimedia/libpng/libpng_1.6.37.bb
@@ -2,18 +2,16 @@
 HOMEPAGE = "http://www.libpng.org/"
 SECTION = "libs"
 LICENSE = "Libpng"
-LIC_FILES_CHKSUM = "file://LICENSE;md5=b0085051bf265bac2bfc38bc89f50000\
-                    file://png.h;endline=144;md5=8acd23d544623816b097e07be0139509\
-                    "
+LIC_FILES_CHKSUM = "file://LICENSE;md5=b0085051bf265bac2bfc38bc89f50000"
 DEPENDS = "zlib"
 
 LIBV = "16"
 
-SRC_URI = "${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/${PV}/${BP}.tar.xz"
+SRC_URI = "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}${LIBV}/${BP}.tar.xz"
 SRC_URI[md5sum] = "015e8e15db1eecde5f2eb9eb5b6e59e9"
 SRC_URI[sha256sum] = "505e70834d35383537b6491e7ae8641f1a4bed1876dbfe361201fc80868d88ca"
 
-MIRRORS += "${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/${PV}/ ${SOURCEFORGE_MIRROR}/project/${BPN}/${BPN}${LIBV}/older-releases/${PV}/"
+MIRRORS += "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}${LIBV}/ ${SOURCEFORGE_MIRROR}/${BPN}/${BPN}${LIBV}/older-releases/"
 
 UPSTREAM_CHECK_URI = "http://libpng.org/pub/png/libpng.html"