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-oe/recipes-devtools/android-tools/android-tools/extras/0001-ext4_utils-remove-selinux-extensions.patch b/meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/extras/0001-ext4_utils-remove-selinux-extensions.patch
new file mode 100644
index 0000000..4a19a5d
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/extras/0001-ext4_utils-remove-selinux-extensions.patch
@@ -0,0 +1,39 @@
+From 354604da9d152f1931e91991d3f34197fc8fc759 Mon Sep 17 00:00:00 2001
+From: Sergio Schvezov <sergio.schvezov@canonical.com>
+Date: Tue, 2 Oct 2018 16:36:54 +0000
+Subject: [PATCH] ext4_utils: remove selinux extensions
+
+* drop useless includes of Android SELINUX extensions
+* avoids having to clone another module
+* this should be sent upstream
+
+Upstream-Status: Inappropriate
+---
+ ext4_utils/make_ext4fs.c      | 1 -
+ ext4_utils/make_ext4fs_main.c | 1 -
+ 2 files changed, 2 deletions(-)
+
+diff --git a/ext4_utils/make_ext4fs.c b/ext4_utils/make_ext4fs.c
+index 2f89ae8a0..732afbed7 100644
+--- a/ext4_utils/make_ext4fs.c
++++ b/ext4_utils/make_ext4fs.c
+@@ -62,7 +62,6 @@
+ 
+ #include <selinux/selinux.h>
+ #include <selinux/label.h>
+-#include <selinux/android.h>
+ 
+ #define O_BINARY 0
+ 
+diff --git a/ext4_utils/make_ext4fs_main.c b/ext4_utils/make_ext4fs_main.c
+index a6c5f6160..f8e7b9da9 100644
+--- a/ext4_utils/make_ext4fs_main.c
++++ b/ext4_utils/make_ext4fs_main.c
+@@ -32,7 +32,6 @@
+ #ifndef USE_MINGW
+ #include <selinux/selinux.h>
+ #include <selinux/label.h>
+-#include <selinux/android.h>
+ #else
+ struct selabel_handle;
+ #endif