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-multimedia/recipes-multimedia/vlc/vlc/0005-libpostproc-header-check.patch b/meta-openembedded/meta-multimedia/recipes-multimedia/vlc/vlc/0005-libpostproc-header-check.patch
index 2d84ffd..77a7d61 100644
--- a/meta-openembedded/meta-multimedia/recipes-multimedia/vlc/vlc/0005-libpostproc-header-check.patch
+++ b/meta-openembedded/meta-multimedia/recipes-multimedia/vlc/vlc/0005-libpostproc-header-check.patch
@@ -2,16 +2,14 @@
 
 Upstream-status: Pending
 
-Index: vlc-2.1.4/configure.ac
-===================================================================
---- vlc-2.1.4.orig/configure.ac
-+++ vlc-2.1.4/configure.ac
-@@ -2444,7 +2444,7 @@ then
+--- a/configure.ac
++++ b/configure.ac
+@@ -2589,7 +2589,7 @@ then
        VLC_SAVE_FLAGS
        CPPFLAGS="${CPPFLAGS} ${POSTPROC_CFLAGS}"
        CFLAGS="${CFLAGS} ${POSTPROC_CFLAGS}"
 -      AC_CHECK_HEADERS(postproc/postprocess.h)
 +      AC_CHECK_HEADERS(postproc/postprocess.h,[],[AC_CHECK_HEADERS(libpostproc/postprocess.h)])
        VLC_ADD_PLUGIN([postproc])
-       VLC_ADD_LIBS([postproc],[$POSTPROC_LIBS $AVUTIL_LIBS])
-       VLC_ADD_CFLAGS([postproc],[$POSTPROC_CFLAGS $AVUTIL_CFLAGS])
+       VLC_RESTORE_FLAGS
+     ],[