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-filesystems/recipes-utils/xfsprogs/files/0002-include-include-xfs-linux.h-after-sys-mman.h.patch b/meta-openembedded/meta-filesystems/recipes-utils/xfsprogs/files/0002-include-include-xfs-linux.h-after-sys-mman.h.patch
new file mode 100644
index 0000000..f924cd1
--- /dev/null
+++ b/meta-openembedded/meta-filesystems/recipes-utils/xfsprogs/files/0002-include-include-xfs-linux.h-after-sys-mman.h.patch
@@ -0,0 +1,33 @@
+From 11a42df394de3dc520e72a016296dcc6dea02a7a Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Thu, 23 Aug 2018 05:33:57 +0000
+Subject: [PATCH] include include/xfs/linux.h after <sys/mman.h>
+
+This helps compiling with musl which goes ahead and undefines MAP_SYNC
+for mips and other architectures where its not wired in kernel
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ io/mmap.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/io/mmap.c b/io/mmap.c
+index dbfcca5..ca00df1 100644
+--- a/io/mmap.c
++++ b/io/mmap.c
+@@ -4,10 +4,11 @@
+  * All Rights Reserved.
+  */
+ 
+-#include "command.h"
+-#include "input.h"
+ #include <sys/mman.h>
+ #include <signal.h>
++
++#include "command.h"
++#include "input.h"
+ #include "init.h"
+ #include "io.h"
+