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-graphics/libyui/libyui-ncurses/0003-Simplify-ncurses-finding-module.patch b/meta-openembedded/meta-oe/recipes-graphics/libyui/libyui-ncurses/0003-Simplify-ncurses-finding-module.patch
new file mode 100644
index 0000000..2520ac4
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-graphics/libyui/libyui-ncurses/0003-Simplify-ncurses-finding-module.patch
@@ -0,0 +1,35 @@
+From c2291fe28dc5682f81804941512431642975cf21 Mon Sep 17 00:00:00 2001
+From: Pascal Bach <pascal.bach@siemens.com>
+Date: Mon, 29 Oct 2018 18:17:32 +0100
+Subject: [PATCH] Simplify ncurses finding module
+
+CMake will automatically look in the right locations, there is no need to
+re-implement the logic with a for loop and NO_DEFAULT_PATH.
+
+It is already done like this to file the headers.
+
+Upstream-Status: Submitted [https://github.com/libyui/libyui-ncurses/pull/73]
+Signed-off-by: Pascal Bach <pascal.bach@siemens.com>
+---
+ cmake/Modules/FindCurses6.cmake | 8 +++-----
+ 1 file changed, 3 insertions(+), 5 deletions(-)
+
+diff --git a/cmake/Modules/FindCurses6.cmake b/cmake/Modules/FindCurses6.cmake
+index 0bf02c3..e298d5d 100644
+--- a/cmake/Modules/FindCurses6.cmake
++++ b/cmake/Modules/FindCurses6.cmake
+@@ -5,11 +5,9 @@
+ #  CURSES6_LIBRARIES - The libraries needed to use Curses6
+ #  CURSES6_DEFINITIONS - Compiler switches required for using Curses6
+ 
+-FOREACH(path ${CMAKE_LIBRARY_PATH} /usr/${LIB_DIR})
+-  FIND_LIBRARY(CURSES6_NCURSESW_LIBRARY NAMES ncursesw PATHS ${path}/ncurses6 ${path} NO_DEFAULT_PATH)
+-  FIND_LIBRARY(CURSES6_PANELW_LIBRARY NAMES panelw PATHS ${path}/ncurses6 ${path} NO_DEFAULT_PATH)
+-  FIND_LIBRARY(CURSES6_TINFO_LIBRARY NAMES tinfo PATHS ${path}/ncurses6 ${path} NO_DEFAULT_PATH)
+-ENDFOREACH()
++FIND_LIBRARY(CURSES6_NCURSESW_LIBRARY NAMES ncursesw PATH_SUFFIXES ncurses6)
++FIND_LIBRARY(CURSES6_PANELW_LIBRARY NAMES panelw PATH_SUFFIXES ncurses6)
++FIND_LIBRARY(CURSES6_TINFO_LIBRARY NAMES tinfo PATH_SUFFIXES ncurses6)
+ 
+ SET(CURSES6_LIBRARIES ${CURSES6_NCURSESW_LIBRARY} ${CURSES6_PANELW_LIBRARY})
+ # tinfo is optional (in 12.1 is not there)