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/sdk/cases/python.py b/poky/meta/lib/oeqa/sdk/cases/python.py
index 72dfcc7..bd5f1f6 100644
--- a/poky/meta/lib/oeqa/sdk/cases/python.py
+++ b/poky/meta/lib/oeqa/sdk/cases/python.py
@@ -1,32 +1,17 @@
-import os
-import shutil
-import unittest
-
-from oeqa.core.utils.path import remove_safe
+import subprocess, unittest
 from oeqa.sdk.case import OESDKTestCase
 
 class PythonTest(OESDKTestCase):
     @classmethod
     def setUpClass(self):
-        if not (self.tc.hasHostPackage("nativesdk-python") or
-                self.tc.hasHostPackage("python-native")):
+        if not (self.tc.hasHostPackage("nativesdk-python3") or
+                self.tc.hasHostPackage("python3-native")):
             raise unittest.SkipTest("No python package in the SDK")
 
-        for f in ['test.py']:
-            shutil.copyfile(os.path.join(self.tc.files_dir, f),
-                   os.path.join(self.tc.sdk_dir, f))
-
-    def test_python_exists(self):
-        self._run('which python')
-
-    def test_python_stdout(self):
-        output = self._run('python %s/test.py' % self.tc.sdk_dir)
-        self.assertEqual(output.strip(), "the value of a is 0.01", msg="Incorrect output: %s" % output)
-
-    def test_python_testfile(self):
-        self._run('ls /tmp/testfile.python')
-
-    @classmethod
-    def tearDownClass(self):
-        remove_safe("%s/test.py" % self.tc.sdk_dir)
-        remove_safe("/tmp/testfile.python")
+    def test_python3(self):
+        try:
+            cmd = "python3 -c \"import codecs; print(codecs.encode('Uryyb, jbeyq', 'rot13'))\""
+            output = self._run(cmd)
+            self.assertEqual(output, "Hello, world\n")
+        except subprocess.CalledProcessError as e:
+            self.fail("Unexpected exit %d (output %s)" % (e.returncode, e.output))