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-devtools/llvm/llvm/0001-Disable-generating-a-native-llvm-config.patch b/poky/meta/recipes-devtools/llvm/llvm/0001-Disable-generating-a-native-llvm-config.patch
deleted file mode 100644
index 2809e4c..0000000
--- a/poky/meta/recipes-devtools/llvm/llvm/0001-Disable-generating-a-native-llvm-config.patch
+++ /dev/null
@@ -1,41 +0,0 @@
-From 7f7743ce233fcd735ec580c75270413493658aa6 Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Thu, 19 Apr 2018 18:08:31 -0700
-Subject: [PATCH] Disable generating a native llvm-config
-
-OpenEmbedded already builds this as part of llvm-native
-
-Upstream-Status: Inappropriate [OE-Specific]
-
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- tools/llvm-config/CMakeLists.txt | 16 ----------------
- 1 file changed, 16 deletions(-)
-
-diff --git a/tools/llvm-config/CMakeLists.txt b/tools/llvm-config/CMakeLists.txt
-index 25f99cec978..c45e9b642a8 100644
---- a/tools/llvm-config/CMakeLists.txt
-+++ b/tools/llvm-config/CMakeLists.txt
-@@ -63,19 +63,3 @@ endif()
- 
- # Add the dependency on the generation step.
- add_file_dependencies(${CMAKE_CURRENT_SOURCE_DIR}/llvm-config.cpp ${BUILDVARIABLES_OBJPATH})
--
--if(CMAKE_CROSSCOMPILING)
--  set(${project}_LLVM_CONFIG_EXE "${LLVM_NATIVE_BUILD}/bin/llvm-config")
--  set(${project}_LLVM_CONFIG_EXE ${${project}_LLVM_CONFIG_EXE} PARENT_SCOPE)
--
--  add_custom_command(OUTPUT "${${project}_LLVM_CONFIG_EXE}"
--    COMMAND ${CMAKE_COMMAND} --build . --target llvm-config --config $<CONFIGURATION>
--    DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
--    WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
--    COMMENT "Building native llvm-config..."
--    USES_TERMINAL)
--  add_custom_target(${project}NativeLLVMConfig DEPENDS ${${project}_LLVM_CONFIG_EXE})
--  add_dependencies(${project}NativeLLVMConfig CONFIGURE_LLVM_NATIVE)
--
--  add_dependencies(llvm-config ${project}NativeLLVMConfig)
--endif(CMAKE_CROSSCOMPILING)
--- 
-2.17.0
-
diff --git a/poky/meta/recipes-devtools/llvm/llvm/0002-llvm-allow-env-override-of-exe-path.patch b/poky/meta/recipes-devtools/llvm/llvm/0002-llvm-allow-env-override-of-exe-path.patch
index 21d2f81..6a92833 100644
--- a/poky/meta/recipes-devtools/llvm/llvm/0002-llvm-allow-env-override-of-exe-path.patch
+++ b/poky/meta/recipes-devtools/llvm/llvm/0002-llvm-allow-env-override-of-exe-path.patch
@@ -1,4 +1,4 @@
-From 2f8ea767afdaa440c6368040630e1b3ea6a0977a Mon Sep 17 00:00:00 2001
+From aeccf16eaccdd80e4d5ecaa51673ce4b2bac1130 Mon Sep 17 00:00:00 2001
 From: Martin Kelly <mkelly@xevo.com>
 Date: Fri, 19 May 2017 00:22:57 -0700
 Subject: [PATCH 2/2] llvm: allow env override of exe path
@@ -8,16 +8,19 @@
 than from the native sysroot. Thus provide an env override for calling
 llvm-config from a target sysroot.
 
+To let it work in multilib environment, we need to provide a knob to supply
+multilib dirname as well
+
+Upstream-Status: Inappropriate [OE-Specific]
+
 Signed-off-by: Martin Kelly <mkelly@xevo.com>
 Signed-off-by: Khem Raj <raj.khem@gmail.com>
 ---
-Upstream-Status: Pending
-
- tools/llvm-config/llvm-config.cpp | 7 +++++++
- 1 file changed, 7 insertions(+)
+ tools/llvm-config/llvm-config.cpp | 17 ++++++++++++++++-
+ 1 file changed, 16 insertions(+), 1 deletion(-)
 
 diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
-index 08b096afb05..d8d7742744e 100644
+index 08b096afb05..360cc5abf4e 100644
 --- a/tools/llvm-config/llvm-config.cpp
 +++ b/tools/llvm-config/llvm-config.cpp
 @@ -225,6 +225,13 @@ Typical components:\n\
@@ -34,6 +37,36 @@
    // This just needs to be some symbol in the binary; C++ doesn't
    // allow taking the address of ::main however.
    void *P = (void *)(intptr_t)GetExecutablePath;
+@@ -306,12 +313,20 @@ int main(int argc, char **argv) {
+   std::string ActivePrefix, ActiveBinDir, ActiveIncludeDir, ActiveLibDir,
+               ActiveCMakeDir;
+   std::string ActiveIncludeOption;
++  // Hack for Yocto: we need to override the multilib path when we are using
++  // llvm-config from within a target sysroot.
++  std::string Multilibdir = std::getenv("YOCTO_ALTERNATE_MULTILIB_NAME");
++  if (Multilibdir.empty()) {
++    Multilibdir = "/lib" LLVM_LIBDIR_SUFFIX;
++  }
++
+   if (IsInDevelopmentTree) {
+     ActiveIncludeDir = std::string(LLVM_SRC_ROOT) + "/include";
+     ActivePrefix = CurrentExecPrefix;
+ 
+     // CMake organizes the products differently than a normal prefix style
+     // layout.
++
+     switch (DevelopmentTreeLayout) {
+     case CMakeStyle:
+       ActiveBinDir = ActiveObjRoot + "/bin";
+@@ -336,7 +351,7 @@ int main(int argc, char **argv) {
+     SmallString<256> path(StringRef(LLVM_TOOLS_INSTALL_DIR));
+     sys::fs::make_absolute(ActivePrefix, path);
+     ActiveBinDir = path.str();
+-    ActiveLibDir = ActivePrefix + "/lib" + LLVM_LIBDIR_SUFFIX;
++    ActiveLibDir = ActivePrefix + Multilibdir;
+     ActiveCMakeDir = ActiveLibDir + "/cmake/llvm";
+     ActiveIncludeOption = "-I" + ActiveIncludeDir;
+   }
 -- 
-2.16.1
+2.18.0
 
diff --git a/poky/meta/recipes-devtools/llvm/llvm_git.bb b/poky/meta/recipes-devtools/llvm/llvm_git.bb
index cb3bba6..7278763 100644
--- a/poky/meta/recipes-devtools/llvm/llvm_git.bb
+++ b/poky/meta/recipes-devtools/llvm/llvm_git.bb
@@ -19,14 +19,13 @@
 LLVM_RELEASE = "${PV}"
 LLVM_DIR = "llvm${LLVM_RELEASE}"
 
-SRCREV = "089d4c0c490687db6c75f1d074e99c4d42936a50"
+SRCREV = "5136df4d089a086b70d452160ad5451861269498"
 PV = "6.0"
 BRANCH = "release_60"
-PATCH_VERSION = "0"
+PATCH_VERSION = "1"
 SRC_URI = "git://github.com/llvm-mirror/llvm.git;branch=${BRANCH};protocol=http \
            file://0001-llvm-TargetLibraryInfo-Undefine-libc-functions-if-th.patch \
            file://0002-llvm-allow-env-override-of-exe-path.patch \
-           file://0001-Disable-generating-a-native-llvm-config.patch \
           "
 UPSTREAM_CHECK_COMMITS = "1"
 S = "${WORKDIR}/git"
@@ -45,14 +44,13 @@
     else:
         raise bb.parse.SkipRecipe("Cannot map '%s' to a supported LLVM architecture" % a)
 
-def get_llvm_target_arch(bb, d):
-    return get_llvm_arch(bb, d, 'TARGET_ARCH')
+def get_llvm_host_arch(bb, d):
+    return get_llvm_arch(bb, d, 'HOST_ARCH')
+
 #
 # Default to build all OE-Core supported target arches (user overridable).
 #
-LLVM_TARGETS ?= "${@get_llvm_target_arch(bb, d)}"
-LLVM_TARGETS_prepend_x86 = "AMDGPU;"
-LLVM_TARGETS_prepend_x86-64 = "AMDGPU;"
+LLVM_TARGETS ?= "AMDGPU;${@get_llvm_host_arch(bb, d)}"
 
 ARM_INSTRUCTION_SET_armv5 = "arm"
 ARM_INSTRUCTION_SET_armv4t = "arm"
@@ -65,17 +63,19 @@
                   -DLLVM_ENABLE_FFI=ON \
                   -DFFI_INCLUDE_DIR=$(pkg-config --variable=includedir libffi) \
                   -DLLVM_OPTIMIZED_TABLEGEN=ON \
-                  -DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS}" \
+                  -DLLVM_TARGETS_TO_BUILD='${LLVM_TARGETS}' \
                   -G Ninja"
 
 EXTRA_OECMAKE_append_class-target = "\
                   -DCMAKE_CROSSCOMPILING:BOOL=ON \
                   -DLLVM_TABLEGEN=${STAGING_BINDIR_NATIVE}/llvm-tblgen${PV} \
+                  -DLLVM_CONFIG_PATH=${STAGING_BINDIR_NATIVE}/llvm-config${PV} \
                  "
 
 EXTRA_OECMAKE_append_class-nativesdk = "\
                   -DCMAKE_CROSSCOMPILING:BOOL=ON \
                   -DLLVM_TABLEGEN=${STAGING_BINDIR_NATIVE}/llvm-tblgen${PV} \
+                  -DLLVM_CONFIG_PATH=${STAGING_BINDIR_NATIVE}/llvm-config${PV} \
                  "
 
 do_configure_prepend() {