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-support/gdbm/gdbm_1.18.bb b/poky/meta/recipes-support/gdbm/gdbm_1.18.bb
new file mode 100644
index 0000000..aad4300
--- /dev/null
+++ b/poky/meta/recipes-support/gdbm/gdbm_1.18.bb
@@ -0,0 +1,43 @@
+SUMMARY = "Key/value database library with extensible hashing"
+HOMEPAGE = "http://www.gnu.org/software/gdbm/"
+SECTION = "libs"
+LICENSE = "GPLv3"
+LIC_FILES_CHKSUM = "file://COPYING;md5=241da1b9fe42e642cbb2c24d5e0c4d24"
+
+
+SRC_URI = "${GNU_MIRROR}/gdbm/gdbm-${PV}.tar.gz \
+           file://run-ptest \
+           file://ptest.patch \
+          "
+
+SRC_URI[md5sum] = "e316f8e4a3e7e4f23955be65d54fec48"
+SRC_URI[sha256sum] = "b8822cb4769e2d759c828c06f196614936c88c141c3132b18252fe25c2b635ce"
+
+inherit autotools gettext texinfo lib_package ptest
+
+# Needed for dbm python module
+EXTRA_OECONF = "-enable-libgdbm-compat"
+
+# Stop presence of dbm/nbdm on the host contaminating builds
+CACHED_CONFIGUREVARS += "ac_cv_lib_ndbm_main=no ac_cv_lib_dbm_main=no"
+
+BBCLASSEXTEND = "native nativesdk"
+
+do_install_append () {
+    # Create a symlink to ndbm.h and gdbm.h in include/gdbm to let other packages to find
+    # these headers
+    install -d ${D}${includedir}/gdbm
+    ln -sf ../ndbm.h ${D}/${includedir}/gdbm/ndbm.h
+    ln -sf ../gdbm.h ${D}/${includedir}/gdbm/gdbm.h
+}
+
+RDEPENDS_${PN}-ptest += "diffutils ${PN}-bin"
+
+do_compile_ptest() {
+    oe_runmake -C tests buildtests
+}
+
+PACKAGES =+ "${PN}-compat \
+            "
+FILES_${PN}-compat = "${libdir}/libgdbm_compat${SOLIBS} \
+                     "