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/poky/meta/recipes-support/libproxy/libproxy_0.4.15.bb b/poky/meta/recipes-support/libproxy/libproxy_0.4.15.bb
index dd7ad92..19dddeb 100644
--- a/poky/meta/recipes-support/libproxy/libproxy_0.4.15.bb
+++ b/poky/meta/recipes-support/libproxy/libproxy_0.4.15.bb
@@ -8,7 +8,9 @@
 
 DEPENDS = "glib-2.0"
 
-SRC_URI = "https://github.com/${BPN}/${BPN}/releases/download/${PV}/${BP}.tar.xz"
+SRC_URI = "https://github.com/${BPN}/${BPN}/releases/download/${PV}/${BP}.tar.xz \
+           file://0001-get-pac-test-Fix-build-with-clang-libc.patch \
+          "
 SRC_URI[md5sum] = "f6b1d2a1e17a99cd3debaae6d04ab152"
 SRC_URI[sha256sum] = "654db464120c9534654590b6683c7fa3887b3dad0ca1c4cd412af24fbfca6d4f"