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-extended/ghostscript/ghostscript/avoid-host-contamination.patch b/poky/meta/recipes-extended/ghostscript/ghostscript/avoid-host-contamination.patch
index c4794e7..e8cb16c 100644
--- a/poky/meta/recipes-extended/ghostscript/ghostscript/avoid-host-contamination.patch
+++ b/poky/meta/recipes-extended/ghostscript/ghostscript/avoid-host-contamination.patch
@@ -1,14 +1,25 @@
+From 0ccbaa134093bf6afc79f2d20d061bca5a8754ed Mon Sep 17 00:00:00 2001
+From: Kai Kang <kai.kang@windriver.com>
+Date: Thu, 29 Mar 2018 16:02:05 +0800
+Subject: [PATCH 04/10] avoid host contamination
+
 Remove hardcode path refer to host to avoid host contamination.
 
 Upstream-Status: Inappropriate [embedded specific]
 
 Signed-off-by: Kai Kang <kai.kang@windriver.com>
+
+Rebase to 9.23
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
 ---
+ devices/devs.mak | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
 diff --git a/devices/devs.mak b/devices/devs.mak
-index 3070d2e..df663f0 100644
+index 846aa50..9570182 100644
 --- a/devices/devs.mak
 +++ b/devices/devs.mak
-@@ -546,7 +546,7 @@ $(DEVOBJ)gdevxalt.$(OBJ) : $(DEVSRC)gdevxalt.c $(GDEVX) $(math__h) $(memory__h)\
+@@ -393,7 +393,7 @@ $(DEVOBJ)gdevxalt.$(OBJ) : $(DEVSRC)gdevxalt.c $(GDEVX) $(math__h) $(memory__h)\
  ### NON PORTABLE, ONLY UNIX WITH GCC SUPPORT
  
  $(DEVOBJ)X11.so : $(x11alt_) $(x11_) $(DEVS_MAK) $(MAKEDIRS)
@@ -17,3 +28,6 @@
  
  ###### --------------- Memory-buffered printer devices --------------- ######
  
+-- 
+1.8.3.1
+