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-multimedia/gstreamer/files/add-a-target-to-compile-tests.patch b/poky/meta/recipes-multimedia/gstreamer/files/add-a-target-to-compile-tests.patch
new file mode 100644
index 0000000..d02d869
--- /dev/null
+++ b/poky/meta/recipes-multimedia/gstreamer/files/add-a-target-to-compile-tests.patch
@@ -0,0 +1,69 @@
+From d61414bc17cf2df019510c2908048c4cabf5cf09 Mon Sep 17 00:00:00 2001
+From: Anuj Mittal <anuj.mittal@intel.com>
+Date: Tue, 27 Feb 2018 09:27:01 +0800
+Subject: [PATCH] add targets for test installation
+
+Targets to make sure tests can be installed and then run on
+the target.
+
+Upstream-Status: Inappropriate [specific to oe setup]
+
+Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
+
+---
+ tests/check/Makefile.am | 27 ++++++++++++++++++++-------
+ 1 file changed, 20 insertions(+), 7 deletions(-)
+
+diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
+index 13b916d..a66786d 100644
+--- a/tests/check/Makefile.am
++++ b/tests/check/Makefile.am
+@@ -8,11 +8,7 @@ REGISTRY_ENVIRONMENT = \
+ 	GST_REGISTRY=$(CHECK_REGISTRY)
+ 
+ AM_TESTS_ENVIRONMENT += \
+-        GST_STATE_IGNORE_ELEMENTS="$(STATE_IGNORE_ELEMENTS)"	\
+-        $(REGISTRY_ENVIRONMENT)					\
+-        GST_PLUGIN_SCANNER_1_0=$(top_builddir)/libs/gst/helpers/gst-plugin-scanner \
+-        GST_PLUGIN_SYSTEM_PATH_1_0=					\
+-        GST_PLUGIN_PATH_1_0=$(top_builddir)/plugins
++        GST_STATE_IGNORE_ELEMENTS="$(STATE_IGNORE_ELEMENTS)"
+ 
+ plugindir = $(libdir)/gstreamer-@GST_API_VERSION@
+ 
+@@ -178,6 +174,23 @@ noinst_PROGRAMS =
+ 
+ TESTS = $(check_PROGRAMS)
+ 
++install-ptest: $(TESTS)
++	@$(INSTALL) -d $(DESTDIR)
++	@for dir in `find -maxdepth 1 -type d`; do \
++		if [ -x $$dir/.libs ]; then \
++			$(INSTALL) -d $(DESTDIR)/$$dir; \
++			$(INSTALL_PROGRAM) $$dir/.libs/* $(DESTDIR)/$$dir/; \
++		fi \
++	done
++
++runtests:
++	@for b in $(TESTS); do \
++		if [ -x $$b ]; then \
++			$(AM_TESTS_ENVIRONMENT) $(SHELL) test-driver --test-name "$$b" \
++			--log-file $$b.log --trs-file $$b.trs $$b; \
++		fi \
++	done
++
+ noinst_HEADERS = \
+ 	gst/capslist.h \
+ 	gst/struct_arm.h \
+@@ -221,9 +234,9 @@ gst_gstprintf_LDADD = \
+ 	$(LDADD)
+ 
+ elements_fdsrc_CFLAGS=$(GST_OBJ_CFLAGS) $(AM_CFLAGS) \
+-	-DTESTFILE=\"$(top_srcdir)/configure.ac\"
++	-DTESTFILE=\"Makefile\"
+ elements_filesrc_CFLAGS=$(GST_OBJ_CFLAGS) $(AM_CFLAGS) \
+-	-DTESTFILE=\"$(top_srcdir)/configure.ac\"
++	-DTESTFILE=\"Makefile\"
+ 
+ libs_controller_LDADD = \
+ 	$(top_builddir)/libs/gst/controller/libgstcontroller-@GST_API_VERSION@.la \