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/buildoptions.py b/poky/meta/lib/oeqa/selftest/cases/buildoptions.py
index 24597ac..f234bac 100644
--- a/poky/meta/lib/oeqa/selftest/cases/buildoptions.py
+++ b/poky/meta/lib/oeqa/selftest/cases/buildoptions.py
@@ -180,3 +180,26 @@
 
         bitbake('gcc-runtime libgfortran')
 
+class SourceMirroring(OESelftestTestCase):
+    # Can we download everything from the Yocto Sources Mirror over http only
+    def test_yocto_source_mirror(self):
+        self.write_config("""
+BB_ALLOWED_NETWORKS = "downloads.yoctoproject.org"
+MIRRORS = ""
+DL_DIR = "${TMPDIR}/test_downloads"
+PREMIRRORS = "\\
+    bzr://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    cvs://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    git://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    gitsm://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    hg://.*/.*    http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    osc://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    p4://.*/.*    http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    svn://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    ftp://.*/.*      http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    http://.*/.*     http://downloads.yoctoproject.org/mirror/sources/ \\n \\
+    https://.*/.*    http://downloads.yoctoproject.org/mirror/sources/ \\n"
+""")
+
+        bitbake("world --runall fetch")
+