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-raspberrypi/recipes-multimedia/omxplayer/omxplayer/0005-Don-t-require-internet-connection-during-build.patch b/meta-raspberrypi/recipes-multimedia/omxplayer/omxplayer/0005-Don-t-require-internet-connection-during-build.patch
index 4f56ad2..f6abd7b 100644
--- a/meta-raspberrypi/recipes-multimedia/omxplayer/omxplayer/0005-Don-t-require-internet-connection-during-build.patch
+++ b/meta-raspberrypi/recipes-multimedia/omxplayer/omxplayer/0005-Don-t-require-internet-connection-during-build.patch
@@ -1,4 +1,4 @@
-From 97cb9405f281f54d4083f3126d441c8b44eafb89 Mon Sep 17 00:00:00 2001
+From 81d1f8bc102b23bdfa63a01f252f3e4c74ae7da9 Mon Sep 17 00:00:00 2001
 From: Paul Barker <pbarker@toganlabs.com>
 Date: Thu, 7 Sep 2017 19:14:20 +0000
 Subject: [PATCH] Don't require internet connection during build
@@ -11,16 +11,17 @@
 
 Signed-off-by: Paul Barker <pbarker@toganlabs.com>
 Upstream-status: Inappropriate
+
 ---
  Makefile        | 6 ++----
  Makefile.ffmpeg | 2 +-
  2 files changed, 3 insertions(+), 5 deletions(-)
 
-diff --git a/Makefile b/Makefile
-index 60501b1..6471f0f 100644
---- a/Makefile
-+++ b/Makefile
-@@ -79,14 +79,12 @@ ffmpeg:
+Index: git/Makefile
+===================================================================
+--- git.orig/Makefile
++++ git/Makefile
+@@ -81,17 +81,14 @@ ffmpeg:
  	make -f Makefile.ffmpeg
  	make -f Makefile.ffmpeg install
  
@@ -36,13 +37,14 @@
 -	cp omxplayer.1 $(DIST)/usr/share/man/man1
  	cp -P ffmpeg_compiled/usr/lib/*.so* $(DIST)/usr/lib/omxplayer/
 -	tar -czf omxplayer-dist.tar.gz $(DIST)
-\ No newline at end of file
-+	tar -czf omxplayer-dist.tar.gz $(DIST)
-diff --git a/Makefile.ffmpeg b/Makefile.ffmpeg
-index 22d495c..8651724 100644
---- a/Makefile.ffmpeg
-+++ b/Makefile.ffmpeg
-@@ -6,7 +6,7 @@ FFMPEG_EXTRA_CFLAGS?=-mfpu=vfp -mfloat-abi=$(FLOAT) -mno-apcs-stack-check -mstru
+ 
+ install:
+ 	cp -r $(DIST)/* /
+Index: git/Makefile.ffmpeg
+===================================================================
+--- git.orig/Makefile.ffmpeg
++++ git/Makefile.ffmpeg
+@@ -5,7 +5,7 @@ FFMPEG_EXTRA_CFLAGS?=-mfpu=vfp -mfloat-a
  WORK=$(PWD)
  
  .PHONY : all
@@ -51,6 +53,3 @@
  
  .PHONY : copy
  copy:
--- 
-2.7.4
-