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-python/recipes-devtools/python/python-grpcio.inc b/meta-openembedded/meta-python/recipes-devtools/python/python-grpcio.inc
new file mode 100644
index 0000000..23d25f7
--- /dev/null
+++ b/meta-openembedded/meta-python/recipes-devtools/python/python-grpcio.inc
@@ -0,0 +1,25 @@
+DESCRIPTION = "Google gRPC"
+HOMEPAGE = "http://www.grpc.io/"
+SECTION = "devel/python"
+
+DEPENDS_append = "${PYTHON_PN}-protobuf"
+
+FILESEXTRAPATHS_prepend := "${THISDIR}/python-grpcio:"
+SRC_URI_append_class-target = " file://0001-setup.py-Do-not-mix-C-and-C-compiler-options.patch "
+
+RDEPENDS_${PN} = "${PYTHON_PN}-protobuf \
+                  ${PYTHON_PN}-setuptools \
+                  ${PYTHON_PN}-six \
+"
+
+LICENSE = "BSD-3-Clause"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/BSD-3-Clause;md5=550794465ba0ec5312d6919e203a55f9"
+
+inherit pypi
+
+SRC_URI[md5sum] = "0987ae2e47b5103de3cacc437874a3c5"
+SRC_URI[sha256sum] = "4bf23666e763ca7ff6010465864e9f088f4ac7ecc1e11abd6f85b250e66b2c05"
+
+CLEANBROKEN = "1"
+
+BBCLASSEXTEND = "native nativesdk"