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-xilinx/meta-xilinx-bsp/conf/machine/include/machine-xilinx-qemu.inc b/meta-xilinx/meta-xilinx-bsp/conf/machine/include/machine-xilinx-qemu.inc
index dd275f3..5eb4b5c 100644
--- a/meta-xilinx/meta-xilinx-bsp/conf/machine/include/machine-xilinx-qemu.inc
+++ b/meta-xilinx/meta-xilinx-bsp/conf/machine/include/machine-xilinx-qemu.inc
@@ -8,15 +8,11 @@
     if d.getVar("IMAGE_BOOT_FILES", True):
         dtbs = d.getVar("IMAGE_BOOT_FILES", True).split(" ")
         # IMAGE_BOOT_FILES has extra renaming info in the format '<source>;<target>'
+        # Note: Wildcard sources work here only because runqemu expands them at run time
         dtbs = [f.split(";")[0] for f in dtbs]
         dtbs = [f for f in dtbs if f.endswith(".dtb")]
         if len(dtbs) != 0:
             return dtbs[0]
-    if d.getVar("KERNEL_DEVICETREE", True):
-        dtbs = d.getVar("KERNEL_DEVICETREE", True).split(" ")
-        dtbs = [os.path.basename(d) for d in dtbs]
-        if len(dtbs) != 0:
-            return d.getVar("KERNEL_IMAGETYPE", True) + "-" + dtbs[0]
     return ""
 
 def qemu_default_serial(d):