reset upstream subtrees to HEAD

Reset the following subtrees on HEAD:
  poky: 8217b477a1(master)
  meta-xilinx: 64aa3d35ae(master)
  meta-openembedded: 0435c9e193(master)
  meta-raspberrypi: 490a4441ac(master)
  meta-security: cb6d1c85ee(master)

Squashed patches:
  meta-phosphor: drop systemd 239 patches
  meta-phosphor: mrw-api: use correct install path

Change-Id: I268e2646d9174ad305630c6bbd3fbc1a6105f43d
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-openembedded/meta-oe/recipes-connectivity/zeromq/files/0001-Problem-out-of-date-with-zproject.patch b/meta-openembedded/meta-oe/recipes-connectivity/zeromq/files/0001-Problem-out-of-date-with-zproject.patch
new file mode 100644
index 0000000..5f5702c
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-connectivity/zeromq/files/0001-Problem-out-of-date-with-zproject.patch
@@ -0,0 +1,31 @@
+From d155ffd33630f80b23c31b3a6e01da221dd9bd13 Mon Sep 17 00:00:00 2001
+From: Luca Boccassi <luca.boccassi@gmail.com>
+Date: Fri, 30 Mar 2018 16:36:22 +0100
+Subject: [PATCH] Problem: out of date with zproject
+
+Upstream-Status: backport
+Signed-off-by: Adrian Bunk <bunk@stusta.de>
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index a3b81722..4f203461 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -38,7 +38,7 @@ if (NOT CMAKE_BUILD_TYPE)
+             OUTPUT_STRIP_TRAILING_WHITESPACE
+         )
+         message(STATUS "git workspace root [${git_result}]: ${git_root}")
+-        if ( "${git_result}" == "0" )
++        if ( "${git_result}" STREQUAL "0" )
+             set (CMAKE_BUILD_TYPE Debug)
+         else ()
+             set (CMAKE_BUILD_TYPE Release)
+@@ -608,7 +608,7 @@ add_custom_command(
+     TARGET  distclean
+ )
+ 
+-include(ClangFormat)
++include(ClangFormat OPTIONAL)
+ 
+ ########################################################################
+ # summary
+