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-security/recipes-security/samhain/samhain.inc b/meta-security/recipes-security/samhain/samhain.inc
index db96264..944bf0d 100644
--- a/meta-security/recipes-security/samhain/samhain.inc
+++ b/meta-security/recipes-security/samhain/samhain.inc
@@ -19,8 +19,11 @@
            file://samhain.service \
            "
 
-SRC_URI[md5sum] = "f499d5d06bfd1d787073a45bf28dd60f"
-SRC_URI[sha256sum] = "0f3e64afb3f00064c9b136d34a72d580cd41248c5941eba0452f364a109003c7"
+SRC_URI[md5sum] = "a00e99375675fc6e50cca3e208f5207e"
+SRC_URI[sha256sum] = "8551dc3b0851889a2b979097e9c02309b40d48b4659f02efe7fe525ce8361a0d"
+
+UPSTREAM_CHECK_URI = "https://www.la-samhna.de/samhain/archive.html"
+UPSTREAM_CHECK_REGEX = "samhain_signed-(?P<pver>(\d+(\.\d+)+))\.tar"
 
 S = "${WORKDIR}/samhain-${PV}"