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-extended/bzip2/bzip2_1.0.6.bb b/poky/meta/recipes-extended/bzip2/bzip2_1.0.6.bb
index acbf80a..025f45c 100644
--- a/poky/meta/recipes-extended/bzip2/bzip2_1.0.6.bb
+++ b/poky/meta/recipes-extended/bzip2/bzip2_1.0.6.bb
@@ -5,7 +5,7 @@
 HOMEPAGE = "https://sourceware.org/bzip2/"
 SECTION = "console/utils"
 LICENSE = "bzip2"
-LIC_FILES_CHKSUM = "file://LICENSE;beginline=8;endline=37;md5=40d9d1eb05736d1bfc86cfdd9106e6b2"
+LIC_FILES_CHKSUM = "file://LICENSE;beginline=4;endline=37;md5=39406315f540c69bd05b1531daedd2ae"
 PR = "r5"
 
 SRC_URI = "http://downloads.yoctoproject.org/mirror/sources/${BP}.tar.gz \
@@ -20,6 +20,7 @@
 SRC_URI[sha256sum] = "a2848f34fcd5d6cf47def00461fcb528a0484d8edef8208d6d2e2909dc61d9cd"
 
 UPSTREAM_CHECK_URI = "https://www.sourceware.org/bzip2/"
+UPSTREAM_VERSION_UNKNOWN = "1"
 
 PACKAGES =+ "libbz2"