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-support/libatomic-ops/libatomic-ops_7.6.2.bb b/poky/meta/recipes-support/libatomic-ops/libatomic-ops_7.6.6.bb
similarity index 76%
rename from poky/meta/recipes-support/libatomic-ops/libatomic-ops_7.6.2.bb
rename to poky/meta/recipes-support/libatomic-ops/libatomic-ops_7.6.6.bb
index f7b4163..32d26a3 100644
--- a/poky/meta/recipes-support/libatomic-ops/libatomic-ops_7.6.2.bb
+++ b/poky/meta/recipes-support/libatomic-ops/libatomic-ops_7.6.6.bb
@@ -3,13 +3,13 @@
 SECTION = "optional"
 PROVIDES += "libatomics-ops"
 LICENSE = "GPLv2 & MIT"
-LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f \
+LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263 \
                     file://doc/LICENSING.txt;md5=e00dd5c8ac03a14c5ae5225a4525fa2d \
-		   "
+                    "
 PV .= "+git${SRCPV}"
 SRCBRANCH ?= "release-7_6"
 
-SRCREV = "5ae4b4aeea2baf13752d07e3038c47f70f06dcac"
+SRCREV = "76ffb3b87946e4c372d112d8d00786632deab934"
 SRC_URI = "git://github.com/ivmai/libatomic_ops;branch=${SRCBRANCH}"
 
 S = "${WORKDIR}/git"