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/classes/clutter.bbclass b/poky/meta/classes/clutter.bbclass
index f5cd04f..8550363 100644
--- a/poky/meta/classes/clutter.bbclass
+++ b/poky/meta/classes/clutter.bbclass
@@ -1,4 +1,3 @@
-
 def get_minor_dir(v):
     import re
     m = re.match("^([0-9]+)\.([0-9]+)", v)
@@ -12,11 +11,7 @@
 VERMINOR = "${@get_minor_dir("${PV}")}"
 REALNAME = "${@get_real_name("${BPN}")}"
 
-CLUTTER_SRC_FTP = "${GNOME_MIRROR}/${REALNAME}/${VERMINOR}/${REALNAME}-${PV}.tar.xz;name=archive"
-
-CLUTTER_SRC_GIT = "git://gitlab.gnome.org/GNOME/${REALNAME};protocol=https"
-
-SRC_URI = "${CLUTTER_SRC_FTP}"
+SRC_URI = "${GNOME_MIRROR}/${REALNAME}/${VERMINOR}/${REALNAME}-${PV}.tar.xz;name=archive"
 S = "${WORKDIR}/${REALNAME}-${PV}"
 
 inherit autotools pkgconfig gtk-doc gettext