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/piglit/piglit/0001-cmake-use-proper-WAYLAND_INCLUDE_DIRS-variable.patch b/poky/meta/recipes-graphics/piglit/piglit/0001-cmake-use-proper-WAYLAND_INCLUDE_DIRS-variable.patch
new file mode 100644
index 0000000..5d6ec36
--- /dev/null
+++ b/poky/meta/recipes-graphics/piglit/piglit/0001-cmake-use-proper-WAYLAND_INCLUDE_DIRS-variable.patch
@@ -0,0 +1,32 @@
+From 3bf1beee1ddd19bc536ff2856e04ac269d43daa2 Mon Sep 17 00:00:00 2001
+From: Pascal Bach <pascal.bach@siemens.com>
+Date: Thu, 4 Oct 2018 14:43:17 +0200
+Subject: [PATCH] cmake: use proper WAYLAND_INCLUDE_DIRS variable
+
+WAYLAND_wayland-client_INCLUDEDIR is an internal variable and is not correctly
+set when cross compiling. WAYLAND_INCLUDE_DIRS includes the correct path even
+when cross compiling.
+
+Signed-off-by: Pascal Bach <pascal.bach@siemens.com>
+
+Upstream-Status: Submitted [piglit@lists.freedesktop.org]
+---
+ tests/util/CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tests/util/CMakeLists.txt b/tests/util/CMakeLists.txt
+index a5f080156..a303a9f58 100644
+--- a/tests/util/CMakeLists.txt
++++ b/tests/util/CMakeLists.txt
+@@ -97,7 +97,7 @@ if(PIGLIT_USE_WAFFLE)
+ 			piglit-framework-gl/piglit_wl_framework.c
+ 		)
+ 		list(APPEND UTIL_GL_INCLUDES
+-			${WAYLAND_wayland-client_INCLUDEDIR}
++			${WAYLAND_INCLUDE_DIRS}
+ 		)
+ 	endif()
+ 	if(PIGLIT_HAS_X11)
+-- 
+2.11.0
+