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-extended/libreport/files/0003-without-build-plugins.patch b/meta-openembedded/meta-oe/recipes-extended/libreport/files/0003-without-build-plugins.patch
index 3ad7774..2ff1731 100644
--- a/meta-openembedded/meta-oe/recipes-extended/libreport/files/0003-without-build-plugins.patch
+++ b/meta-openembedded/meta-oe/recipes-extended/libreport/files/0003-without-build-plugins.patch
@@ -1,7 +1,7 @@
-From 0e96d9f23b2b166e7444e7c8e0a6d4b83c2eccd7 Mon Sep 17 00:00:00 2001
+From 41bce1de2fd2a0f79c266f245ae3e3720ccaf46a Mon Sep 17 00:00:00 2001
 From: Hongxu Jia <hongxu.jia@windriver.com>
 Date: Wed, 26 Apr 2017 03:51:03 -0400
-Subject: [PATCH 3/3] without build plugins
+Subject: [PATCH 3/4] without build plugins
 
 Upstream-Status:  Inappropriate workaround
 
@@ -22,5 +22,5 @@
 -SUBDIRS = include lib plugins report-python cli client-python workflows $(sub_dirs)
 +SUBDIRS = include lib report-python cli client-python workflows $(sub_dirs)
 -- 
-2.8.1
+2.7.4