reset upstream subtrees to yocto 2.6

Reset the following subtrees on thud HEAD:

  poky: 87e3a9739d
  meta-openembedded: 6094ae18c8
  meta-security: 31dc4e7532
  meta-raspberrypi: a48743dc36
  meta-xilinx: c42016e2e6

Also re-apply backports that didn't make it into thud:
  poky:
    17726d0 systemd-systemctl-native: handle Install wildcards

  meta-openembedded:
    4321a5d libtinyxml2: update to 7.0.1
    042f0a3 libcereal: Add native and nativesdk classes
    e23284f libcereal: Allow empty package
    030e8d4 rsyslog: curl-less build with fmhttp PACKAGECONFIG
    179a1b9 gtest: update to 1.8.1

Squashed OpenBMC subtree compatibility updates:
  meta-aspeed:
    Brad Bishop (1):
          aspeed: add yocto 2.6 compatibility

  meta-ibm:
    Brad Bishop (1):
          ibm: prepare for yocto 2.6

  meta-ingrasys:
    Brad Bishop (1):
          ingrasys: set layer compatibility to yocto 2.6

  meta-openpower:
    Brad Bishop (1):
          openpower: set layer compatibility to yocto 2.6

  meta-phosphor:
    Brad Bishop (3):
          phosphor: set layer compatibility to thud
          phosphor: libgpg-error: drop patches
          phosphor: react to fitimage artifact rename

    Ed Tanous (4):
          Dropbear: upgrade options for latest upgrade
          yocto2.6: update openssl options
          busybox: remove upstream watchdog patch
          systemd: Rebase CONFIG_CGROUP_BPF patch

Change-Id: I7b1fe71cca880d0372a82d94b5fd785323e3a9e7
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-openembedded/meta-gnome/recipes-gnome/dconf/dconf_0.28.0.bb b/meta-openembedded/meta-gnome/recipes-gnome/dconf/dconf_0.28.0.bb
new file mode 100644
index 0000000..99292a8
--- /dev/null
+++ b/meta-openembedded/meta-gnome/recipes-gnome/dconf/dconf_0.28.0.bb
@@ -0,0 +1,18 @@
+SUMMARY = "configuation database system"
+LICENSE = "LGPLv2.1"
+LIC_FILES_CHKSUM = "file://COPYING;md5=2d5025d4aa3495befef8f17206a5b0a1"
+SECTION = "x11/gnome"
+
+SRC_URI[archive.md5sum] = "81faa8e68e5ea71ff0ee75050fc0759c"
+SRC_URI[archive.sha256sum] = "61d3b3865ef58b729c3b39aa0979f886c014aa8362f93dcfc74bf5648ed9c742"
+
+DEPENDS = "dbus glib-2.0 intltool-native"
+
+GNOMEBASEBUILDCLASS = "meson"
+
+inherit gnomebase gsettings bash-completion vala
+
+FILES_${PN} += " \
+    ${datadir}/dbus-1 \
+    ${libdir}/gio/modules/*.so \
+"