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/lib/oeqa/selftest/case.py b/poky/meta/lib/oeqa/selftest/case.py
index 2e446b0..9c08d59 100644
--- a/poky/meta/lib/oeqa/selftest/case.py
+++ b/poky/meta/lib/oeqa/selftest/case.py
@@ -215,31 +215,31 @@
         ftools.remove_from_file(self.testinc_path, data)
 
     def recipeinc(self, recipe):
-        """Return absolute path of meta-sefltest/recipes-test/<recipe>/test_recipe.inc"""
+        """Return absolute path of meta-selftest/recipes-test/<recipe>/test_recipe.inc"""
         return os.path.join(self.testlayer_path, 'recipes-test', recipe, 'test_recipe.inc')
 
     def write_recipeinc(self, recipe, data):
-        """Write to meta-sefltest/recipes-test/<recipe>/test_recipe.inc"""
+        """Write to meta-selftest/recipes-test/<recipe>/test_recipe.inc"""
         inc_file = self.recipeinc(recipe)
         self.logger.debug("Writing to: %s\n%s\n" % (inc_file, data))
         ftools.write_file(inc_file, data)
         return inc_file
 
     def append_recipeinc(self, recipe, data):
-        """Append data to meta-sefltest/recipes-test/<recipe>/test_recipe.inc"""
+        """Append data to meta-selftest/recipes-test/<recipe>/test_recipe.inc"""
         inc_file = self.recipeinc(recipe)
         self.logger.debug("Appending to: %s\n%s\n" % (inc_file, data))
         ftools.append_file(inc_file, data)
         return inc_file
 
     def remove_recipeinc(self, recipe, data):
-        """Remove data from meta-sefltest/recipes-test/<recipe>/test_recipe.inc"""
+        """Remove data from meta-selftest/recipes-test/<recipe>/test_recipe.inc"""
         inc_file = self.recipeinc(recipe)
         self.logger.debug("Removing from: %s\n%s\n" % (inc_file, data))
         ftools.remove_from_file(inc_file, data)
 
     def delete_recipeinc(self, recipe):
-        """Delete meta-sefltest/recipes-test/<recipe>/test_recipe.inc file"""
+        """Delete meta-selftest/recipes-test/<recipe>/test_recipe.inc file"""
         inc_file = self.recipeinc(recipe)
         self.logger.debug("Deleting file: %s" % inc_file)
         try: