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-graphics/xorg-proto/xcb-proto_1.13.bb b/poky/meta/recipes-graphics/xorg-proto/xcb-proto_1.13.bb
new file mode 100644
index 0000000..d503786
--- /dev/null
+++ b/poky/meta/recipes-graphics/xorg-proto/xcb-proto_1.13.bb
@@ -0,0 +1,51 @@
+SUMMARY = "XCB: The X protocol C binding headers"
+DESCRIPTION = "Function prototypes for the X protocol C-language Binding \
+(XCB).  XCB is a replacement for Xlib featuring a small footprint, \
+latency hiding, direct access to the protocol, improved threading \
+support, and extensibility."
+HOMEPAGE = "http://xcb.freedesktop.org"
+BUGTRACKER = "https://bugs.freedesktop.org/enter_bug.cgi?product=XCB"
+
+SECTION = "x11/libs"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://COPYING;md5=d763b081cb10c223435b01e00dc0aba7 \
+                    file://src/dri2.xml;beginline=2;endline=28;md5=f8763b13ff432e8597e0d610cf598e65"
+
+SRC_URI = "http://xcb.freedesktop.org/dist/${BP}.tar.bz2"
+
+SRC_URI[md5sum] = "abe9aa4886138150bbc04ae4f29b90e3"
+SRC_URI[sha256sum] = "7b98721e669be80284e9bbfeab02d2d0d54cd11172b72271e47a2fe875e2bde1"
+
+inherit autotools pkgconfig
+
+# Force the use of Python 3 and a specific library path so we don't need to
+# depend on python3-native
+CACHED_CONFIGUREVARS += "PYTHON=python3 am_cv_python_pythondir=${libdir}/xcb-proto"
+
+PACKAGES += "python-xcbgen"
+
+FILES_${PN} = ""
+FILES_${PN}-dev += "${datadir}/xcb/*.xml ${datadir}/xcb/*.xsd"
+FILES_python-xcbgen = "${libdir}/xcb-proto"
+
+RDEPENDS_${PN}-dev = ""
+RRECOMMENDS_${PN}-dbg = "${PN}-dev (= ${EXTENDPKGV})"
+
+BBCLASSEXTEND = "native nativesdk"
+
+# Need to do this dance because we're forcing the use of host Python above and
+# if xcb-proto is built with Py3.5 and then re-used from sstate on a host with
+# Py3.6 the second build will write new cache files into the sysroot which won't
+# be listed in the manifest so won't be deleted, resulting in an error on
+# rebuilds.  Solve this by deleting the entire cache directory when this package
+# is removed from the sysroot.
+SSTATEPOSTINSTFUNCS += "xcb_sstate_postinst"
+xcb_sstate_postinst() {
+	if [ "${BB_CURRENTTASK}" = "populate_sysroot" -o "${BB_CURRENTTASK}" = "populate_sysroot_setscene" ]
+	then
+		cat <<EOF >${SSTATE_INST_POSTRM}
+#!/bin/sh
+rm -rf ${libdir}/xcb-proto/xcbgen/__pycache__
+EOF
+	fi
+}