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-tornado.inc b/meta-openembedded/meta-python/recipes-devtools/python/python-tornado.inc
index 29d10da..16899f8 100644
--- a/meta-openembedded/meta-python/recipes-devtools/python/python-tornado.inc
+++ b/meta-openembedded/meta-python/recipes-devtools/python/python-tornado.inc
@@ -4,10 +4,10 @@
 polling, WebSockets, and other applications that require a long-lived connection to each user."
 HOMEPAGE = "http://www.tornadoweb.org/en/stable/"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://setup.py;beginline=3;endline=15;md5=8d463fc66ff8f275354ffe88d1896e12"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=3b83ef96387f14655fc854ddc3c6bd57"
 
-SRC_URI[md5sum] = "a5fc7fd4aea94867609a491ce65786f1"
-SRC_URI[sha256sum] = "6d14e47eab0e15799cf3cdcc86b0b98279da68522caace2bd7ce644287685f0a"
+SRC_URI[md5sum] = "bd264851c409f926d1dae1ad5055d28d"
+SRC_URI[sha256sum] = "4f66a2172cb947387193ca4c2c3e19131f1c70fa8be470ddbbd9317fd0801582"
 
 RDEPENDS_${PN} += "${PYTHON_PN}-compression ${PYTHON_PN}-numbers ${PYTHON_PN}-email \
                    ${PYTHON_PN}-pkgutil ${PYTHON_PN}-html ${PYTHON_PN}-json ${PYTHON_PN}-certifi ${PYTHON_PN}-threading \