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-oe/recipes-extended/collectd/collectd/0001-conditionally-check-libvirt.patch b/meta-openembedded/meta-oe/recipes-extended/collectd/collectd/0001-conditionally-check-libvirt.patch
index 1ceacd8..5ee75cb 100644
--- a/meta-openembedded/meta-oe/recipes-extended/collectd/collectd/0001-conditionally-check-libvirt.patch
+++ b/meta-openembedded/meta-oe/recipes-extended/collectd/collectd/0001-conditionally-check-libvirt.patch
@@ -1,28 +1,31 @@
-[PATCH] conditionally check libvirt
+From 385bf1c2ec57942e17ee529e57eef0dcd99904e6 Mon Sep 17 00:00:00 2001
+From: Roy Li <rongqing.li@windriver.com>
+Date: Tue, 1 Sep 2015 17:00:33 +0800
+Subject: [PATCH] [PATCH] conditionally check libvirt
 
 Upstream-Statue: Pending
 
 check if libvirt is available only when a user wants to use libvirt
 
 Signed-off-by: Roy Li <rongqing.li@windriver.com>
----
- configure.ac | 14 ++++++++------
- 1 file changed, 8 insertions(+), 6 deletions(-)
 
-Index: collectd-5.7.1/configure.ac
-===================================================================
---- collectd-5.7.1.orig/configure.ac
-+++ collectd-5.7.1/configure.ac
-@@ -5556,12 +5556,14 @@ else
- 	with_libxml2="no (pkg-config doesn't know libxml-2.0)"
+---
+ configure.ac | 13 ++++++++-----
+ 1 file changed, 8 insertions(+), 5 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 101d6f9f..a7eca97d 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -5758,11 +5758,14 @@ else
+   with_libxml2="no (pkg-config doesn't know libxml-2.0)"
  fi
  
 -$PKG_CONFIG --exists libvirt 2>/dev/null
--if test "$?" = "0"
--then
--	with_libvirt="yes"
+-if test $? = 0; then
+-  with_libvirt="yes"
 -else
--	with_libvirt="no (pkg-config doesn't know libvirt)"
+-  with_libvirt="no (pkg-config doesn't know libvirt)"
 +if test "x$enable_libvirt" = "xyes"; then
 +	$PKG_CONFIG --exists libvirt 2>/dev/null
 +	if test "$?" = "0"
@@ -32,5 +35,5 @@
 +		with_libvirt="no (pkg-config doesn't know libvirt)"
 +	fi
  fi
- if test "x$with_libxml2" = "xyes"
- then
+ 
+ if test "x$with_libxml2" = "xyes"; then