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/bitbake/lib/toaster/orm/fixtures/poky.xml b/poky/bitbake/lib/toaster/orm/fixtures/poky.xml
index 6c966da..fb9a771 100644
--- a/poky/bitbake/lib/toaster/orm/fixtures/poky.xml
+++ b/poky/bitbake/lib/toaster/orm/fixtures/poky.xml
@@ -26,9 +26,9 @@
     <field type="CharField" name="dirpath">bitbake</field>
   </object>
   <object model="orm.bitbakeversion" pk="4">
-    <field type="CharField" name="name">rocko</field>
+    <field type="CharField" name="name">thud</field>
     <field type="CharField" name="giturl">git://git.yoctoproject.org/poky</field>
-    <field type="CharField" name="branch">rocko</field>
+    <field type="CharField" name="branch">thud</field>
     <field type="CharField" name="dirpath">bitbake</field>
   </object>
 
@@ -57,10 +57,10 @@
   </object>
   <object model="orm.release" pk="4">
     <field type="CharField" name="name">rocko</field>
-    <field type="CharField" name="description">Yocto Project 2.4 "Rocko"</field>
+    <field type="CharField" name="description">Yocto Project 2.6 "Thud"</field>
     <field rel="ManyToOneRel" to="orm.bitbakeversion" name="bitbake_version">1</field>
-    <field type="CharField" name="branch_name">rocko</field>
-    <field type="TextField" name="helptext">Toaster will run your builds using the tip of the &lt;a href="http://git.yoctoproject.org/cgit/cgit.cgi/poky/log/?h=rocko"&gt;Yocto Project Rocko branch&lt;/a&gt;.</field>
+    <field type="CharField" name="branch_name">thud</field>
+    <field type="TextField" name="helptext">Toaster will run your builds using the tip of the &lt;a href="http://git.yoctoproject.org/cgit/cgit.cgi/poky/log/?h=thud"&gt;Yocto Project Thud branch&lt;/a&gt;.</field>
   </object>
 
   <!-- Default project layers for each release -->