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/cups-no-gcrypt.patch b/poky/meta/recipes-extended/ghostscript/ghostscript/cups-no-gcrypt.patch
index a1c9368..4c9bb22 100644
--- a/poky/meta/recipes-extended/ghostscript/ghostscript/cups-no-gcrypt.patch
+++ b/poky/meta/recipes-extended/ghostscript/ghostscript/cups-no-gcrypt.patch
@@ -1,6 +1,12 @@
-Subject: [PATCH] Don't build-depend on libgcrypt, as nothing is used from it
+From 9129eb7fa9dc160d64a7d9df9279a3b1dae4d793 Mon Sep 17 00:00:00 2001
+From: Jackie Huang <jackie.huang@windriver.com>
+Date: Thu, 29 Mar 2018 16:16:18 +0800
+Subject: [PATCH 08/10] cups no gcrypt
 
-Backported from http://www.cups.org/strfiles.php/3308/cups-no-gcrypt.patch
+Don't build-depend on libgcrypt, as nothing is used from it
+
+Backported from
+http://www.cups.org/strfiles.php/3308/cups-no-gcrypt.patch
 
 This addresses the cryto dependency seen during build.
 
@@ -8,7 +14,7 @@
 
 Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
 
-Rebase the patch to ghostscript-9.15
+Rebase to 9.23
 Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
 ---
  cups/libs/cups/http-private.h | 1 -
@@ -27,5 +33,5 @@
  #    include <CoreFoundation/CoreFoundation.h>
  #    include <Security/Security.h>
 -- 
-1.9.1
+1.8.3.1