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-poky/conf/local.conf.sample.extended b/poky/meta-poky/conf/local.conf.sample.extended
index 0560de8..3ba99f4 100644
--- a/poky/meta-poky/conf/local.conf.sample.extended
+++ b/poky/meta-poky/conf/local.conf.sample.extended
@@ -32,7 +32,7 @@
 #DISTRO_FEATURES_LIBC = "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 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"
 
@@ -59,6 +59,11 @@
 # NOTE: If removing en_US.UTF-8 you will also need to uncomment, and set
 # appropriate value for IMAGE_LINGUAS.
 # WARNING: this may break localisation!
+# WARNING: some recipes expect certain localizations to be enabled, e.g.
+# bash-ptest: fr-fr, de-de
+# glib-2.0-ptest: tr-tr, lt-lt, ja-jp.euc-jp, fa-ir, ru-ru, de-de, hr-hr, el-gr, fr-fr, es-es, en-gb
+# if you remove some of these and enable ptest, you'll get QA warning like:
+# ERROR: glib-2.0-1_2.58.0-r0 do_package_qa: QA Issue: glib-2.0-ptest rdepends on locale-base-de-de, but it isn't a build dependency? [build-deps]
 #GLIBC_GENERATE_LOCALES = "en_GB.UTF-8 en_US.UTF-8"
 #IMAGE_LINGUAS ?= "en-gb"