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-extended/ltp/ltp/0007-fix-__WORDSIZE-undeclared-when-building-with-musl.patch b/poky/meta/recipes-extended/ltp/ltp/0007-fix-__WORDSIZE-undeclared-when-building-with-musl.patch
index 2f4ca63..6e6dbf3 100644
--- a/poky/meta/recipes-extended/ltp/ltp/0007-fix-__WORDSIZE-undeclared-when-building-with-musl.patch
+++ b/poky/meta/recipes-extended/ltp/ltp/0007-fix-__WORDSIZE-undeclared-when-building-with-musl.patch
@@ -16,7 +16,7 @@
 index b36764d83..cc6f1b551 100644
 --- a/include/old/test.h
 +++ b/include/old/test.h
-@@ -44,6 +44,9 @@
+@@ -17,6 +17,9 @@
  #include <string.h>
  #include <stdlib.h>
  #include <stdint.h>