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/0001-introspection.m4-prefix-pkgconfig-paths-with-PKG_CON.patch b/poky/meta/recipes-multimedia/gstreamer/files/0001-introspection.m4-prefix-pkgconfig-paths-with-PKG_CON.patch
index 2cab87f..1b7f115 100644
--- a/poky/meta/recipes-multimedia/gstreamer/files/0001-introspection.m4-prefix-pkgconfig-paths-with-PKG_CON.patch
+++ b/poky/meta/recipes-multimedia/gstreamer/files/0001-introspection.m4-prefix-pkgconfig-paths-with-PKG_CON.patch
@@ -1,4 +1,4 @@
-From 90916f96262fa7b27a0a99788c69f9fd6df11000 Mon Sep 17 00:00:00 2001
+From 2b0436f9a07773fae8c74df902d7024e8bfc3512 Mon Sep 17 00:00:00 2001
 From: Alexander Kanavin <alex.kanavin@gmail.com>
 Date: Tue, 24 Nov 2015 16:46:27 +0200
 Subject: [PATCH] introspection.m4: prefix pkgconfig paths with
@@ -10,12 +10,13 @@
 
 Upstream-Status: Pending [review on oe-core list]
 Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+
 ---
- common/m4/introspection.m4 | 12 ++++++------
- 1 file changed, 6 insertions(+), 6 deletions(-)
+ common/m4/introspection.m4 | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
 
 diff --git a/common/m4/introspection.m4 b/common/m4/introspection.m4
-index 162be57..217a6ae 100644
+index 162be57..933f979 100644
 --- a/common/m4/introspection.m4
 +++ b/common/m4/introspection.m4
 @@ -54,14 +54,14 @@ m4_define([_GOBJECT_INTROSPECTION_CHECK_INTERNAL],
@@ -37,6 +38,3 @@
         INTROSPECTION_INIT="extern void gst_init(gint*,gchar**); gst_init(NULL,NULL);"
      fi
      AC_SUBST(INTROSPECTION_SCANNER)
--- 
-2.6.2
-