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-devtools/mtd/ubi-utils-klibc-2.0.2/0003-Makefile.am-only-build-ubi-utils.patch b/meta-openembedded/meta-initramfs/recipes-devtools/mtd/ubi-utils-klibc-2.0.2/0003-Makefile.am-only-build-ubi-utils.patch
new file mode 100644
index 0000000..38ab7a9
--- /dev/null
+++ b/meta-openembedded/meta-initramfs/recipes-devtools/mtd/ubi-utils-klibc-2.0.2/0003-Makefile.am-only-build-ubi-utils.patch
@@ -0,0 +1,34 @@
+From 139d93bc405272a3261d57be26da842e737fe4d0 Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Sun, 28 Jan 2018 23:10:34 +0100
+Subject: [PATCH] Makefile.am: only build ubi-utils
+
+We only target the ubi-utils, static, small.
+
+Upstream-Status: Inappropriate [embedded specific]
+
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+---
+ Makefile.am | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/Makefile.am b/Makefile.am
+index 5a6e77c..98715dd 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -34,9 +34,9 @@ EXTRA_DIST += $(GLOBAL_HEADER) $(GLOBAL_EXTRA)
+ 
+ include lib/Makemodule.am
+ include ubi-utils/Makemodule.am
+-include misc-utils/Makemodule.am
+-include nand-utils/Makemodule.am
+-include nor-utils/Makemodule.am
++#include misc-utils/Makemodule.am
++#include nand-utils/Makemodule.am
++#include nor-utils/Makemodule.am
+ 
+ if BUILD_UBIFS
+ include ubifs-utils/Makemodule.am
+-- 
+2.7.4
+