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-initramfs/recipes-kernel/kexec/kexec-tools-klibc/arm64-crashdump-arm64.c-fix-warning.patch b/meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/arm64-crashdump-arm64.c-fix-warning.patch
new file mode 100644
index 0000000..24be4dd
--- /dev/null
+++ b/meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/arm64-crashdump-arm64.c-fix-warning.patch
@@ -0,0 +1,34 @@
+From 6f69f489a442b3a192e4c08748ee8c4d31c75dae Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Sun, 29 Apr 2018 00:46:16 +0200
+Subject: [PATCH 5/6] arm64: crashdump-arm64.c: fix warning
+
+                 from ../git/kexec/kexec.h:6,
+                 from ../git/kexec/arch/arm64/crashdump-arm64.c:18:
+/tmp/build/tmp-musl/work/aarch64-oe-linux-musl/kexec-tools-klibc/0.6+gitAUTOINC+
+0481e9ed61-r0/recipe-sysroot/usr/lib/klibc/include/klibc/compiler.h:144:0: warni
+ng: "__bitwise" redefined
+ # define __bitwise
+
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+---
+ kexec/arch/arm64/crashdump-arm64.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/kexec/arch/arm64/crashdump-arm64.c b/kexec/arch/arm64/crashdump-arm64.c
+index 4fd7aa8..890d88f 100644
+--- a/kexec/arch/arm64/crashdump-arm64.c
++++ b/kexec/arch/arm64/crashdump-arm64.c
+@@ -13,6 +13,9 @@
+ #define _GNU_SOURCE
+ 
+ #include <errno.h>
++#ifdef __KLIBC__
++#include <sys/types.h>
++#endif
+ #include <linux/elf.h>
+ 
+ #include "kexec.h"
+-- 
+2.7.4
+