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-multimedia/recipes-multimedia/gstreamer-1.0/gstd/0001-Look-for-gtk-doc.make-in-builddir.patch b/meta-openembedded/meta-multimedia/recipes-multimedia/gstreamer-1.0/gstd/0001-Look-for-gtk-doc.make-in-builddir.patch
new file mode 100644
index 0000000..5a28616
--- /dev/null
+++ b/meta-openembedded/meta-multimedia/recipes-multimedia/gstreamer-1.0/gstd/0001-Look-for-gtk-doc.make-in-builddir.patch
@@ -0,0 +1,32 @@
+From a84e9a6e1dca685eda072d58b58556b5b35cb4c8 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Mon, 10 Sep 2018 21:16:50 -0700
+Subject: [PATCH] Look for gtk-doc.make in builddir
+
+this is evident when S != B because gtkdocize
+generates this file and its actually built into
+build area
+
+Upstream-Status: Submitted [https://github.com/RidgeRun/gstd-1.x/pull/39]
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ docs/reference/gstd/Makefile.am | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/docs/reference/gstd/Makefile.am b/docs/reference/gstd/Makefile.am
+index f860fa1..62870da 100644
+--- a/docs/reference/gstd/Makefile.am
++++ b/docs/reference/gstd/Makefile.am
+@@ -66,7 +66,7 @@ GTKDOC_LIBS=$(top_builddir)/gstd/libgstd-core.la
+ 
+ 
+ # This includes the standard gtk-doc make rules, copied by gtkdocize.
+-include $(top_srcdir)/docs/gtk-doc.make
++include $(top_builddir)/docs/gtk-doc.make
+ 
+ # Comment this out if you want 'make check' to test you doc status
+ # and run some sanity checks
+-- 
+2.18.0
+