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/lighttpd/lighttpd_1.4.48.bb b/poky/meta/recipes-extended/lighttpd/lighttpd_1.4.50.bb
similarity index 95%
rename from poky/meta/recipes-extended/lighttpd/lighttpd_1.4.48.bb
rename to poky/meta/recipes-extended/lighttpd/lighttpd_1.4.50.bb
index 3c4444c..5373a61 100644
--- a/poky/meta/recipes-extended/lighttpd/lighttpd_1.4.48.bb
+++ b/poky/meta/recipes-extended/lighttpd/lighttpd_1.4.50.bb
@@ -20,8 +20,8 @@
         file://0001-Use-pkg-config-for-pcre-dependency-instead-of-config.patch \
         "
 
-SRC_URI[md5sum] = "1e3a9eb5078f481e3a8a1d0aaac8c3c8"
-SRC_URI[sha256sum] = "0f8ad5aac7529d7b948b9d7e8cd0b4a9e177309d85d6bf6516e28e6e40d74f36"
+SRC_URI[md5sum] = "0547831efda8492648b7f0c652865dfd"
+SRC_URI[sha256sum] = "29378312d8887cbc14ffe8a7fadef2d5a08c7e7e1be942795142346ad95629eb"
 
 PACKAGECONFIG ??= "openssl pcre zlib \
     ${@bb.utils.filter('DISTRO_FEATURES', 'ipv6', d)} \