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/meta-openembedded/meta-networking/MAINTAINERS b/meta-openembedded/meta-networking/MAINTAINERS
index bbb2d1b..945ee86 100644
--- a/meta-openembedded/meta-networking/MAINTAINERS
+++ b/meta-openembedded/meta-networking/MAINTAINERS
@@ -2,34 +2,12 @@
 
 Please submit any patches against meta-networking to the OpenEmbedded
 development mailing list (openembedded-devel@lists.openembedded.org) with
-'[meta-networking]' in the subject.
+'[meta-networking][thud]' in the subject.
 
 When sending single patches, please use something like:
 
    git send-email -1 -M \
         --to openembedded-devel@lists.openembedded.org \
-        --subject-prefix=meta-networking][PATCH
+        --subject-prefix=meta-networking][thud][PATCH
 
-You may also contact the maintainers directly.
-
-Descriptions of section entries:
-
-        M: Mail patches to: FullName <address@domain>
-        F: Files and directories with wildcard patterns.
-           A trailing slash includes all files and subdirectory files.
-           F: recipes-devtools/    all files in and below recipes-devtools
-           F: recipes-selinux/*    all files in recipes-selinux, but not below
-           One pattern per line.  Multiple F: lines acceptable.
-
-Please keep this list in alphabetical order.
-
-Maintainers List (try to look for most precise areas first)
-
-COMMON
-M:      Joe MacDonald <joe_macdonald@mentor.com>
-F:      conf
-F:      recipes-*
-
-NETKIT
-M:      Armin Kuster <akuster808@gmail.com>
-F:      recipes-netkit
+Thud Maintainer:      Armin Kuster <akuster808@gmail.com>