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-oe/README b/meta-openembedded/meta-oe/README
index 7cde0a2..de351f2 100644
--- a/meta-openembedded/meta-oe/README
+++ b/meta-openembedded/meta-oe/README
@@ -1,14 +1,22 @@
+meta-oe
+=======
+
 This layer depends on:
 
-URI: git://github.com/openembedded/oe-core.git
-branch: master
+URI: git://github.com/openembedded/openembedded-core.git
+branch: thud 
 revision: HEAD
 
-Send pull requests to openembedded-devel@lists.openembedded.org with '[meta-oe]' in the subject'
+Send pull requests to openembedded-devel@lists.openembedded.org with '[meta-oe][thud]' in the subject'
 
 When sending single patches, please use something like:
-'git send-email -M -1 --to openembedded-devel@lists.openembedded.org --subject-prefix=meta-oe][PATCH'
+'git send-email -M -1 --to openembedded-devel@lists.openembedded.org --subject-prefix=meta-oe[thud][PATCH'
 
-You are encouraged to fork the mirror on github https://github.com/openembedded/meta-oe/ to share your patches, this is preferred for patch sets consisting of more than one patch. Other services like gitorious, repo.or.cz or self hosted setups are of course accepted as well, 'git fetch <remote>' works the same on all of them. We recommend github because it is free, easy to use, has been proven to be reliable and has a really good web GUI.
+You are encouraged to fork the mirror on GitHub https://github.com/openembedded/openembedded-core
+to share your patches, this is preferred for patch sets consisting of more than one patch.
 
-Main layer maintainer: Armin Kuster <akuster808@gmail.com>
+Other services like gitorious, repo.or.cz or self-hosted setups are of course accepted as well,
+'git fetch <remote>' works the same on all of them. We recommend GitHub because it is free, easy
+to use, has been proven to be reliable and has a really good web GUI.
+
+Thud maintainer: Armin Kuster <akuster808@gmail.com>