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/libyaml/libyaml_0.2.1.bb b/poky/meta/recipes-support/libyaml/libyaml_0.2.1.bb
new file mode 100644
index 0000000..d778918
--- /dev/null
+++ b/poky/meta/recipes-support/libyaml/libyaml_0.2.1.bb
@@ -0,0 +1,18 @@
+SUMMARY = "LibYAML is a YAML 1.1 parser and emitter written in C."
+DESCRIPTION = "LibYAML is a C library for parsing and emitting data in YAML 1.1, \
+a human-readable data serialization format. "
+HOMEPAGE = "http://pyyaml.org/wiki/LibYAML"
+SECTION = "libs/devel"
+
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=5591701d32590f9fa94f3bfee820b634"
+
+SRC_URI = "http://pyyaml.org/download/libyaml/yaml-${PV}.tar.gz"
+SRC_URI[md5sum] = "72724b9736923c517e5a8fc6757ef03d"
+SRC_URI[sha256sum] = "78281145641a080fb32d6e7a87b9c0664d611dcb4d542e90baf731f51cbb59cd"
+
+S = "${WORKDIR}/yaml-${PV}"
+
+inherit autotools
+
+BBCLASSEXTEND = "native nativesdk"