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/0001-Simplify-wayland-scanner-lookup.patch b/poky/meta/recipes-graphics/mesa/files/0001-Simplify-wayland-scanner-lookup.patch
new file mode 100644
index 0000000..a50d2a2
--- /dev/null
+++ b/poky/meta/recipes-graphics/mesa/files/0001-Simplify-wayland-scanner-lookup.patch
@@ -0,0 +1,39 @@
+From 7e8e0f8a8ac2425e19a2f340c9e3da9345f25940 Mon Sep 17 00:00:00 2001
+From: Jussi Kukkonen <jussi.kukkonen@intel.com>
+Date: Tue, 15 Nov 2016 15:20:49 +0200
+Subject: [PATCH 1/6] Simplify wayland-scanner lookup
+Organization: O.S. Systems Software LTDA.
+
+Don't use pkg-config to lookup the path of a binary that's in the path.
+
+Alternatively we'd have to prefix the path returned by pkg-config with
+PKG_CONFIG_SYSROOT_DIR.
+
+Upstream-Status: Pending
+Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
+Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
+---
+ configure.ac | 7 +------
+ 1 file changed, 1 insertion(+), 6 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 14f1af2b2f..916d0bd207 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -1825,12 +1825,7 @@ for plat in $platforms; do
+         PKG_CHECK_MODULES([WAYLAND_PROTOCOLS], [wayland-protocols >= $WAYLAND_PROTOCOLS_REQUIRED])
+         WAYLAND_PROTOCOLS_DATADIR=`$PKG_CONFIG --variable=pkgdatadir wayland-protocols`
+ 
+-        PKG_CHECK_MODULES([WAYLAND_SCANNER], [wayland-scanner],
+-                          WAYLAND_SCANNER=`$PKG_CONFIG --variable=wayland_scanner wayland-scanner`,
+-                          WAYLAND_SCANNER='')
+-        if test "x$WAYLAND_SCANNER" = x; then
+-            AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner], [:])
+-        fi
++        AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner], [:])
+ 
+         if test "x$WAYLAND_SCANNER" = "x:"; then
+                 AC_MSG_ERROR([wayland-scanner is needed to compile the wayland platform])
+-- 
+2.18.0
+