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/distrodata.py b/poky/meta/lib/oeqa/selftest/cases/distrodata.py
index 7b28004..e7b5e34 100644
--- a/poky/meta/lib/oeqa/selftest/cases/distrodata.py
+++ b/poky/meta/lib/oeqa/selftest/cases/distrodata.py
@@ -21,7 +21,7 @@
         Summary:     Test that upstream version checks do not regress
         Expected:    Upstream version checks should succeed except for the recipes listed in the exception list.
         Product:     oe-core
-        Author:      Alexander Kanavin <alexander.kanavin@intel.com>
+        Author:      Alexander Kanavin <alex.kanavin@gmail.com>
         """
         checkpkg_result = open(os.path.join(get_bb_var("LOG_DIR"), "checkpkg.csv")).readlines()[1:]
         regressed_failures = [pkg_data[0] for pkg_data in [pkg_line.split('\t') for pkg_line in checkpkg_result] if pkg_data[11] == 'UNKNOWN_BROKEN']
@@ -46,7 +46,7 @@
         Summary:     Test that oe-core recipes have a maintainer
         Expected:    All oe-core recipes (except a few special static/testing ones) should have a maintainer listed in maintainers.inc file.
         Product:     oe-core
-        Author:      Alexander Kanavin <alexander.kanavin@intel.com>
+        Author:      Alexander Kanavin <alex.kanavin@gmail.com>
         """
         def is_exception(pkg):
             exceptions = ["packagegroup-", "initramfs-", "systemd-machine-units", "target-sdk-provides-dummy"]