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/conf/distro/include/default-distrovars.inc b/poky/meta/conf/distro/include/default-distrovars.inc
index 9620ad4..f5ec6ce 100644
--- a/poky/meta/conf/distro/include/default-distrovars.inc
+++ b/poky/meta/conf/distro/include/default-distrovars.inc
@@ -14,7 +14,7 @@
 DISTRO_FEATURES_LIBC_DEFAULT ?= "ipv4 ipv6 libc-backtrace libc-big-macros libc-bsd libc-cxx-tests libc-catgets libc-charsets libc-crypt \
 					libc-crypt-ufc libc-db-aliases libc-envz libc-fcvt libc-fmtmsg libc-fstab libc-ftraverse \
 					libc-getlogin libc-idn libc-inet-anl libc-libm libc-locales libc-locale-code \
-					libc-memusage libc-nis libc-nsswitch libc-rcmd libc-rtld-debug libc-spawn libc-streams libc-sunrpc \
+					libc-memusage libc-nsswitch libc-rcmd libc-rtld-debug libc-spawn libc-streams \
 					libc-utmp libc-utmpx libc-wordexp libc-posix-clang-wchar libc-posix-regexp libc-posix-regexp-glibc \
 					libc-posix-wchar-io"
 DISTRO_FEATURES_LIBC ?= "${DISTRO_FEATURES_LIBC_DEFAULT}"
@@ -24,7 +24,6 @@
 IMAGE_FEATURES ?= ""
 
 WHITELIST_GPL-3.0 ?= ""
-LGPLv2_WHITELIST_GPL-3.0 ?= ""
 
 COMMERCIAL_AUDIO_PLUGINS ?= ""
 # COMMERCIAL_AUDIO_PLUGINS ?= "gst-plugins-ugly-mad gst-plugins-ugly-mpegaudioparse"