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-yocto-bsp/recipes-kernel/linux/linux-yocto-dev.bbappend b/poky/meta-yocto-bsp/recipes-kernel/linux/linux-yocto-dev.bbappend
new file mode 100644
index 0000000..f044daf
--- /dev/null
+++ b/poky/meta-yocto-bsp/recipes-kernel/linux/linux-yocto-dev.bbappend
@@ -0,0 +1,15 @@
+KBRANCH_genericx86  = "standard/base"
+KBRANCH_genericx86-64  = "standard/base"
+KBRANCH_edgerouter = "standard/edgerouter"
+KBRANCH_beaglebone-yocto = "standard/beaglebone"
+KBRANCH_mpc8315e-rdb = "standard/fsl-mpc8315e-rdb"
+
+KMACHINE_genericx86 ?= "common-pc"
+KMACHINE_genericx86-64 ?= "common-pc-64"
+KMACHINE_beaglebone-yocto ?= "beaglebone"
+
+COMPATIBLE_MACHINE_genericx86 = "genericx86"
+COMPATIBLE_MACHINE_genericx86-64 = "genericx86-64"
+COMPATIBLE_MACHINE_edgerouter = "edgerouter"
+COMPATIBLE_MACHINE_beaglebone-yocto = "beaglebone-yocto"
+COMPATIBLE_MACHINE_mpc8315e-rdb = "mpc8315e-rdb"