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/gstreamer1.0-plugins-base/0001-gstreamer-gl.pc.in-don-t-append-GL_CFLAGS-to-CFLAGS.patch b/poky/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0001-gstreamer-gl.pc.in-don-t-append-GL_CFLAGS-to-CFLAGS.patch
new file mode 100644
index 0000000..251dc17
--- /dev/null
+++ b/poky/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-base/0001-gstreamer-gl.pc.in-don-t-append-GL_CFLAGS-to-CFLAGS.patch
@@ -0,0 +1,29 @@
+From 61a672e79c8cb1aeeeda4c968997c577ac73a8f3 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Fri, 12 May 2017 16:47:12 +0300
+Subject: [PATCH] gstreamer-gl.pc.in: don't append GL_CFLAGS to CFLAGS
+
+Dependencies' include directories should not be added in this way;
+it causes problems when cross-compiling in sysroot environments.
+
+Upstream-Status: Pending
+
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+Signed-off-by: Maxin B. John <maxin.john@intel.com>
+---
+ pkgconfig/gstreamer-gl.pc.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/pkgconfig/gstreamer-gl.pc.in b/pkgconfig/gstreamer-gl.pc.in
+index dc672a9..8c290ba 100644
+--- a/pkgconfig/gstreamer-gl.pc.in
++++ b/pkgconfig/gstreamer-gl.pc.in
+@@ -13,4 +13,4 @@ Version: @VERSION@
+ Requires: gstreamer-video-@GST_API_VERSION@ gstreamer-base-@GST_API_VERSION@ gstreamer-@GST_API_VERSION@
+ 
+ Libs: -L${libdir} -lgstgl-@GST_API_VERSION@
+-Cflags: -I${includedir} -I${libdir}/gstreamer-@GST_API_VERSION@/include @GL_CFLAGS@
++Cflags: -I${includedir} -I${libdir}/gstreamer-@GST_API_VERSION@/include
+-- 
+2.7.4
+