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-support/gnupg/gnupg/0001-configure.ac-use-a-custom-value-for-the-location-of-.patch b/poky/meta/recipes-support/gnupg/gnupg/0001-configure.ac-use-a-custom-value-for-the-location-of-.patch
index 3e3a64d..5f1dd30 100644
--- a/poky/meta/recipes-support/gnupg/gnupg/0001-configure.ac-use-a-custom-value-for-the-location-of-.patch
+++ b/poky/meta/recipes-support/gnupg/gnupg/0001-configure.ac-use-a-custom-value-for-the-location-of-.patch
@@ -1,4 +1,4 @@
-From 0b97148c3aad0993a9aeb088596fa63a2fec5328 Mon Sep 17 00:00:00 2001
+From 7eb7efb9ce89c66e14c194773c4dcf6478a6ca4d Mon Sep 17 00:00:00 2001
 From: Alexander Kanavin <alex.kanavin@gmail.com>
 Date: Mon, 22 Jan 2018 18:00:21 +0200
 Subject: [PATCH] configure.ac: use a custom value for the location of
@@ -8,15 +8,16 @@
 
 Upstream-Status: Inappropriate [oe-core specific, and only for -native]
 Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+
 ---
  configure.ac | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/configure.ac b/configure.ac
-index 382ef1d..0570d7c 100644
+index 59a2e60..12d390b 100644
 --- a/configure.ac
 +++ b/configure.ac
-@@ -1818,7 +1818,7 @@ AC_DEFINE_UNQUOTED(GPGCONF_DISP_NAME, "GPGConf",
+@@ -1841,7 +1841,7 @@ AC_DEFINE_UNQUOTED(GPGCONF_DISP_NAME, "GPGConf",
  
  AC_DEFINE_UNQUOTED(GPGTAR_NAME, "gpgtar", [The name of the gpgtar tool])
  
@@ -25,6 +26,3 @@
                     [The name of the agent socket])
  AC_DEFINE_UNQUOTED(GPG_AGENT_EXTRA_SOCK_NAME, "S.gpg-agent.extra",
                     [The name of the agent socket for remote access])
--- 
-2.15.1
-