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-graphics/mesa/files/0003-Properly-get-LLVM-version-when-using-LLVM-Git-releas.patch b/poky/meta/recipes-graphics/mesa/files/0003-Properly-get-LLVM-version-when-using-LLVM-Git-releas.patch
new file mode 100644
index 0000000..5e735ca
--- /dev/null
+++ b/poky/meta/recipes-graphics/mesa/files/0003-Properly-get-LLVM-version-when-using-LLVM-Git-releas.patch
@@ -0,0 +1,44 @@
+From 8b42fb47138f91d9378439ab716bac7701e4e326 Mon Sep 17 00:00:00 2001
+From: Otavio Salvador <otavio@ossystems.com.br>
+Date: Tue, 5 Jun 2018 11:11:10 -0300
+Subject: [PATCH 3/6] Properly get LLVM version when using LLVM Git releases
+Organization: O.S. Systems Software LTDA.
+
+$ llvm-config-host --version
+5.0.0git-9a5c333388c
+
+We need to ignore everything after 5.0.0 which is what the cut cmd is
+doing
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
+---
+ configure.ac | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 916d0bd207..dd172f1ebe 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -1090,7 +1090,7 @@ strip_unwanted_llvm_flags() {
+ 
+ llvm_set_environment_variables() {
+     if test "x$LLVM_CONFIG" != xno; then
+-        LLVM_VERSION=`$LLVM_CONFIG --version | egrep -o '^[[0-9.]]+'`
++        LLVM_VERSION=`$LLVM_CONFIG --version | cut -c1-5`
+         LLVM_CPPFLAGS=`strip_unwanted_llvm_flags "$LLVM_CONFIG --cppflags"`
+         LLVM_INCLUDEDIR=`$LLVM_CONFIG --includedir`
+         LLVM_LIBDIR=`$LLVM_CONFIG --libdir`
+@@ -2808,7 +2808,7 @@ detect_old_buggy_llvm() {
+     dnl ourselves.
+     dnl (See https://llvm.org/bugs/show_bug.cgi?id=6823)
+     dnl We can't use $LLVM_VERSION because it has 'svn' stripped out,
+-    LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version`
++    LLVM_SO_NAME=LLVM-`$LLVM_CONFIG --version | cut -c1-5`
+     AS_IF([test -f "$LLVM_LIBDIR/lib$LLVM_SO_NAME.$IMP_LIB_EXT"], [llvm_have_one_so=yes])
+ 
+     if test "x$llvm_have_one_so" = xyes; then
+-- 
+2.18.0
+