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/libselinux/0001-Remove-bionic-specific-calls.patch b/meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/libselinux/0001-Remove-bionic-specific-calls.patch
new file mode 100644
index 0000000..9de2593
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-devtools/android-tools/android-tools/libselinux/0001-Remove-bionic-specific-calls.patch
@@ -0,0 +1,25 @@
+From 36654a4484117e5f4d63a810c0d94bc9c7ee3a83 Mon Sep 17 00:00:00 2001
+From: Fathi Boudra <fabo@debian.org>
+Date: Tue, 2 Oct 2018 16:36:54 +0000
+Subject: [PATCH] Remove bionic specific calls
+
+Upstream-Status: Inappropriate
+
+Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
+---
+ src/procattr.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/procattr.c b/src/procattr.c
+index f350808..761cf8e 100644
+--- a/src/procattr.c
++++ b/src/procattr.c
+@@ -8,7 +8,7 @@
+ #include "selinux_internal.h"
+ #include "policy.h"
+ 
+-#ifdef HOST
++#ifndef __BIONIC__
+ static pid_t gettid(void)
+ {
+ 	return syscall(__NR_gettid);