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-openembedded/meta-networking/recipes-protocols/net-snmp/net-snmp/0002-configure-fix-a-cc-check-issue.patch b/meta-openembedded/meta-networking/recipes-protocols/net-snmp/net-snmp/0002-configure-fix-a-cc-check-issue.patch
index 999976d..4782714 100644
--- a/meta-openembedded/meta-networking/recipes-protocols/net-snmp/net-snmp/0002-configure-fix-a-cc-check-issue.patch
+++ b/meta-openembedded/meta-networking/recipes-protocols/net-snmp/net-snmp/0002-configure-fix-a-cc-check-issue.patch
@@ -1,4 +1,4 @@
-From 94e7e4969bc84c945dfea12d67a1e10f61973948 Mon Sep 17 00:00:00 2001
+From a3631df3d6743113e1cd63579925e15bcce85868 Mon Sep 17 00:00:00 2001
 From: Wenlin Kang <wenlin.kang@windriver.com>
 Date: Wed, 24 May 2017 16:45:34 +0800
 Subject: [PATCH 2/4] configure: fix a cc check issue.
@@ -8,6 +8,7 @@
 can't get corretly the cc's value.
 
 Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
+
 ---
  configure.d/config_project_perl_python | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
@@ -25,6 +26,3 @@
          changequote([, ])
          if test "x$PERLCC" != "x" ; then
              AC_MSG_RESULT([$PERLCC])
--- 
-1.9.1
-