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-openembedded/meta-gnome/recipes-gnome/eds/evolution-data-server/0004-Use-recommended-way-to-handle-the-icu-namespace.patch b/meta-openembedded/meta-gnome/recipes-gnome/eds/evolution-data-server/0004-Use-recommended-way-to-handle-the-icu-namespace.patch
new file mode 100644
index 0000000..d3b0ac6
--- /dev/null
+++ b/meta-openembedded/meta-gnome/recipes-gnome/eds/evolution-data-server/0004-Use-recommended-way-to-handle-the-icu-namespace.patch
@@ -0,0 +1,46 @@
+From 698a0e104dcbe4b630df848fd4af7c59f76cdc37 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 5 May 2018 17:46:52 -0700
+Subject: [PATCH] Use recommended way to handle the icu namespace
+
+Fixes build with icu >= 61
+
+Upstream-Status: Pending
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/libedataserver/e-alphabet-index-private.cpp | 2 ++
+ src/libedataserver/e-transliterator-private.cpp | 2 ++
+ 2 files changed, 4 insertions(+)
+
+diff --git a/src/libedataserver/e-alphabet-index-private.cpp b/src/libedataserver/e-alphabet-index-private.cpp
+index d3e44f4..ddffd99 100644
+--- a/src/libedataserver/e-alphabet-index-private.cpp
++++ b/src/libedataserver/e-alphabet-index-private.cpp
+@@ -33,9 +33,11 @@
+ 
+ /* ICU headers */
+ #include <unicode/alphaindex.h>
++#include <unicode/ustring.h>
+ 
+ using icu::AlphabeticIndex;
+ using icu::Locale;
++using U_ICU_NAMESPACE::UnicodeString;
+ 
+ struct _EAlphabetIndex {
+ 	AlphabeticIndex *priv;
+diff --git a/src/libedataserver/e-transliterator-private.cpp b/src/libedataserver/e-transliterator-private.cpp
+index bb15593..573446f 100644
+--- a/src/libedataserver/e-transliterator-private.cpp
++++ b/src/libedataserver/e-transliterator-private.cpp
+@@ -33,8 +33,10 @@
+ 
+ /* ICU headers */
+ #include <unicode/translit.h>
++#include <unicode/ustring.h>
+ 
+ using icu::Transliterator;
++using U_ICU_NAMESPACE::UnicodeString;
+ 
+ struct _ETransliterator {
+ 	Transliterator *priv;