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/fetch.py b/poky/meta/lib/oeqa/selftest/cases/fetch.py
new file mode 100644
index 0000000..4acc8cd
--- /dev/null
+++ b/poky/meta/lib/oeqa/selftest/cases/fetch.py
@@ -0,0 +1,49 @@
+import oe.path
+from oeqa.selftest.case import OESelftestTestCase
+from oeqa.utils.commands import bitbake
+from oeqa.core.decorator.oeid import OETestID
+
+class Fetch(OESelftestTestCase):
+    @OETestID(1058)
+    def test_git_mirrors(self):
+        """
+        Verify that the git fetcher will fall back to the HTTP mirrors. The
+        recipe needs to be one that we have on the Yocto Project source mirror
+        and is hosted in git.
+        """
+
+        # TODO: mktempd instead of hardcoding
+        dldir = os.path.join(self.builddir, "download-git-mirrors")
+        self.track_for_cleanup(dldir)
+
+        # No mirrors, should use git to fetch successfully
+        features = """
+DL_DIR = "%s"
+MIRRORS_forcevariable = ""
+PREMIRRORS_forcevariable = ""
+""" % dldir
+        self.write_config(features)
+        oe.path.remove(dldir, recurse=True)
+        bitbake("dbus-wait -c fetch -f")
+
+        # No mirrors and broken git, should fail
+        features = """
+DL_DIR = "%s"
+GIT_PROXY_COMMAND = "false"
+MIRRORS_forcevariable = ""
+PREMIRRORS_forcevariable = ""
+""" % dldir
+        self.write_config(features)
+        oe.path.remove(dldir, recurse=True)
+        with self.assertRaises(AssertionError):
+            bitbake("dbus-wait -c fetch -f")
+
+        # Broken git but a specific mirror
+        features = """
+DL_DIR = "%s"
+GIT_PROXY_COMMAND = "false"
+MIRRORS_forcevariable = "git://.*/.* http://downloads.yoctoproject.org/mirror/sources/"
+""" % dldir
+        self.write_config(features)
+        oe.path.remove(dldir, recurse=True)
+        bitbake("dbus-wait -c fetch -f")