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-support/vim/files/vim-add-knob-whether-elf.h-are-checked.patch b/meta-openembedded/meta-oe/recipes-support/vim/files/vim-add-knob-whether-elf.h-are-checked.patch
index 6c620f9..37914d4 100644
--- a/meta-openembedded/meta-oe/recipes-support/vim/files/vim-add-knob-whether-elf.h-are-checked.patch
+++ b/meta-openembedded/meta-oe/recipes-support/vim/files/vim-add-knob-whether-elf.h-are-checked.patch
@@ -1,20 +1,24 @@
-vim: add knob whether elf.h are checked
+From 38de4bccdb8a861ffdd447f12fdab19d6d852c02 Mon Sep 17 00:00:00 2001
+From: Chong Lu <Chong.Lu@windriver.com>
+Date: Tue, 26 Jun 2018 17:34:15 +0800
+Subject: [PATCH] vim: add knob whether elf.h are checked
 
 Previously, it still was checked when there was no elf library in sysroots directory.
 Add knob to decide whether elf.h are checked or not.
 
-Upstream-status: Pending
+Upstream-Status: Pending
 
 Signed-off-by: Chong Lu <Chong.Lu@windriver.com>
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
 ---
- src/configure.ac |    7 +++++++
+ src/configure.ac | 7 +++++++
  1 file changed, 7 insertions(+)
 
 diff --git a/src/configure.ac b/src/configure.ac
-index d734064..f504fa6 100644
+index 0ee86ad..64736f0 100644
 --- a/src/configure.ac
 +++ b/src/configure.ac
-@@ -2483,11 +2483,18 @@ AC_TRY_COMPILE([#include <stdio.h>], [int x __attribute__((unused));],
+@@ -3192,11 +3192,18 @@ AC_TRY_COMPILE([#include <stdio.h>], [int x __attribute__((unused));],
  	AC_MSG_RESULT(no))
  
  dnl Checks for header files.
@@ -34,5 +38,5 @@
  AC_HEADER_DIRENT
  
 -- 
-1.7.9.5
+2.7.4