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/cases/bbtests.py b/poky/meta/lib/oeqa/selftest/cases/bbtests.py
index 3506149..005fdd0 100644
--- a/poky/meta/lib/oeqa/selftest/cases/bbtests.py
+++ b/poky/meta/lib/oeqa/selftest/cases/bbtests.py
@@ -15,16 +15,26 @@
                 return l
 
     @OETestID(789)
+    # Test bitbake can run from the <builddir>/conf directory
     def test_run_bitbake_from_dir_1(self):
         os.chdir(os.path.join(self.builddir, 'conf'))
         self.assertEqual(bitbake('-e').status, 0, msg = "bitbake couldn't run from \"conf\" dir")
 
     @OETestID(790)
+    # Test bitbake can run from the <builddir>'s parent directory
     def test_run_bitbake_from_dir_2(self):
         my_env = os.environ.copy()
         my_env['BBPATH'] = my_env['BUILDDIR']
         os.chdir(os.path.dirname(os.environ['BUILDDIR']))
-        self.assertEqual(bitbake('-e', env=my_env).status, 0, msg = "bitbake couldn't run from builddir")
+        self.assertEqual(bitbake('-e', env=my_env).status, 0, msg = "bitbake couldn't run from builddir's parent directory")
+
+    # Test bitbake can run from some other random system location (we use /tmp/)
+    def test_run_bitbake_from_dir_3(self):
+        my_env = os.environ.copy()
+        my_env['BBPATH'] = my_env['BUILDDIR']
+        os.chdir("/tmp/")
+        self.assertEqual(bitbake('-e', env=my_env).status, 0, msg = "bitbake couldn't run from /tmp/")
+
 
     @OETestID(806)
     def test_event_handler(self):