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/poky/meta/recipes-devtools/btrfs-tools/btrfs-tools/0001-Add-a-possibility-to-specify-where-python-modules-ar.patch b/poky/meta/recipes-devtools/btrfs-tools/btrfs-tools/0001-Add-a-possibility-to-specify-where-python-modules-ar.patch
new file mode 100644
index 0000000..5846f04
--- /dev/null
+++ b/poky/meta/recipes-devtools/btrfs-tools/btrfs-tools/0001-Add-a-possibility-to-specify-where-python-modules-ar.patch
@@ -0,0 +1,25 @@
+From d3adfc21c9cc264bd191722f102963cbc4794259 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Wed, 23 May 2018 21:20:35 +0300
+Subject: [PATCH] Add a possibility to specify where python modules are
+ installed
+
+Upstream-Status: Inappropriate [oe-core specific to solve multilib use case]
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ Makefile | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile b/Makefile
+index 1697794c..8ab38818 100644
+--- a/Makefile
++++ b/Makefile
+@@ -651,7 +651,7 @@ endif
+ ifeq ($(PYTHON_BINDINGS),1)
+ install_python: libbtrfsutil_python
+ 	$(Q)cd libbtrfsutil/python; \
+-		$(PYTHON) setup.py install --skip-build $(if $(DESTDIR),--root $(DESTDIR)) --prefix $(prefix)
++		$(PYTHON) setup.py install --skip-build $(if $(DESTDIR),--root $(DESTDIR)) --prefix $(prefix) --install-lib=$(PYTHON_SITEPACKAGES_DIR)
+ 
+ .PHONY: install_python
+ endif