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/poky/meta/recipes-graphics/xorg-lib/libdmx_1.1.4.bb b/poky/meta/recipes-graphics/xorg-lib/libdmx_1.1.4.bb
new file mode 100644
index 0000000..66172cb
--- /dev/null
+++ b/poky/meta/recipes-graphics/xorg-lib/libdmx_1.1.4.bb
@@ -0,0 +1,20 @@
+require xorg-lib-common.inc
+
+SUMMARY = "DMX: Distributed Multihead X extension library"
+
+DESCRIPTION = "The DMX extension provides support for communication with \
+and control of Xdmx(1) server. Attributes of the Xdmx(1) server and of \
+the back-end screens attached to the server can be queried and modified \
+via this protocol."
+
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://COPYING;md5=a3c3499231a8035efd0e004cfbd3b72a \
+                    file://src/dmx.c;endline=33;md5=c43f19af03c7c8619cadc9724ed9afe1"
+
+DEPENDS += "libxext xorgproto"
+
+PE = "1"
+
+SRC_URI[md5sum] = "d2f1f0ec68ac3932dd7f1d9aa0a7a11c"
+SRC_URI[sha256sum] = "253f90005d134fa7a209fbcbc5a3024335367c930adf0f3203e754cf32747243"
+