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-devtools/cmake/cmake_3.12.2.bb b/poky/meta/recipes-devtools/cmake/cmake_3.12.2.bb
new file mode 100644
index 0000000..e045767
--- /dev/null
+++ b/poky/meta/recipes-devtools/cmake/cmake_3.12.2.bb
@@ -0,0 +1,53 @@
+require cmake.inc
+
+inherit cmake
+
+DEPENDS += "curl expat zlib libarchive xz ncurses bzip2"
+
+SRC_URI_append_class-nativesdk = " \
+    file://OEToolchainConfig.cmake \
+    file://environment.d-cmake.sh \
+    file://0001-CMakeDetermineSystem-use-oe-environment-vars-to-load.patch \
+"
+
+# Strip ${prefix} from ${docdir}, set result into docdir_stripped
+python () {
+    prefix=d.getVar("prefix")
+    docdir=d.getVar("docdir")
+
+    if not docdir.startswith(prefix):
+        bb.fatal('docdir must contain prefix as its prefix')
+
+    docdir_stripped = docdir[len(prefix):]
+    if len(docdir_stripped) > 0 and docdir_stripped[0] == '/':
+        docdir_stripped = docdir_stripped[1:]
+
+    d.setVar("docdir_stripped", docdir_stripped)
+}
+
+EXTRA_OECMAKE=" \
+    -DCMAKE_DOC_DIR=${docdir_stripped}/cmake-${CMAKE_MAJOR_VERSION} \
+    -DCMAKE_USE_SYSTEM_LIBRARIES=1 \
+    -DCMAKE_USE_SYSTEM_LIBRARY_JSONCPP=0 \
+    -DCMAKE_USE_SYSTEM_LIBRARY_LIBUV=0 \
+    -DCMAKE_USE_SYSTEM_LIBRARY_LIBRHASH=0 \
+    -DKWSYS_CHAR_IS_SIGNED=1 \
+    -DBUILD_CursesDialog=0 \
+    -DKWSYS_LFS_WORKS=1 \
+"
+
+do_install_append_class-nativesdk() {
+    mkdir -p ${D}${datadir}/cmake
+    install -m 644 ${WORKDIR}/OEToolchainConfig.cmake ${D}${datadir}/cmake/
+
+    mkdir -p ${D}${SDKPATHNATIVE}/environment-setup.d
+    install -m 644 ${WORKDIR}/environment.d-cmake.sh ${D}${SDKPATHNATIVE}/environment-setup.d/cmake.sh
+}
+
+FILES_${PN}_append_class-nativesdk = " ${SDKPATHNATIVE}"
+
+FILES_${PN} += "${datadir}/cmake-${CMAKE_MAJOR_VERSION} ${datadir}/cmake ${datadir}/aclocal"
+FILES_${PN}-doc += "${docdir}/cmake-${CMAKE_MAJOR_VERSION}"
+FILES_${PN}-dev = ""
+
+BBCLASSEXTEND = "nativesdk"