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/runtime/cases/python.py b/poky/meta/lib/oeqa/runtime/cases/python.py
index bf3e179..4419a9f 100644
--- a/poky/meta/lib/oeqa/runtime/cases/python.py
+++ b/poky/meta/lib/oeqa/runtime/cases/python.py
@@ -1,43 +1,21 @@
-import os
-
 from oeqa.runtime.case import OERuntimeTestCase
 from oeqa.core.decorator.depends import OETestDepends
 from oeqa.core.decorator.oeid import OETestID
-from oeqa.runtime.decorator.package import OEHasPackage
 
 class PythonTest(OERuntimeTestCase):
-
     @classmethod
     def setUpClass(cls):
-        src = os.path.join(cls.tc.files_dir, 'test.py')
-        dst = '/tmp/test.py'
-        cls.tc.target.copyTo(src, dst)
-
-    @classmethod
-    def tearDownClass(cls):
-        dst = '/tmp/test.py'
-        cls.tc.target.run('rm %s' % dst)
-
-    @OETestID(1145)
-    @OETestDepends(['ssh.SSHTest.test_ssh'])
-    @OEHasPackage(['python-core'])
-    def test_python_exists(self):
-        status, output = self.target.run('which python')
-        msg = 'Python binary not in PATH or not on target.'
-        self.assertEqual(status, 0, msg=msg)
+        import unittest
+        if "python3-core" not in cls.tc.image_packages:
+            raise unittest.SkipTest("Python3 not on target")
 
     @OETestID(965)
-    @OETestDepends(['python.PythonTest.test_python_exists'])
-    def test_python_stdout(self):
-        status, output = self.target.run('python /tmp/test.py')
+    @OETestDepends(['ssh.SSHTest.test_ssh'])
+    def test_python3(self):
+        cmd = "python3 -c \"import codecs; print(codecs.encode('Uryyb, jbeyq', 'rot13'))\""
+        status, output = self.target.run(cmd)
         msg = 'Exit status was not 0. Output: %s' % output
         self.assertEqual(status, 0, msg=msg)
 
         msg = 'Incorrect output: %s' % output
-        self.assertEqual(output, "the value of a is 0.01", msg=msg)
-
-    @OETestID(1146)
-    @OETestDepends(['python.PythonTest.test_python_stdout'])
-    def test_python_testfile(self):
-        status, output = self.target.run('ls /tmp/testfile.python')
-        self.assertEqual(status, 0, msg='Python test file generate failed.')
+        self.assertEqual(output, "Hello, world", msg=msg)