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/0002-glibc-does-not-provide-strlcpy.patch b/meta-openembedded/meta-multimedia/recipes-multimedia/vlc/vlc/0002-glibc-does-not-provide-strlcpy.patch
index 6d2a46f..3db3df3 100644
--- a/meta-openembedded/meta-multimedia/recipes-multimedia/vlc/vlc/0002-glibc-does-not-provide-strlcpy.patch
+++ b/meta-openembedded/meta-multimedia/recipes-multimedia/vlc/vlc/0002-glibc-does-not-provide-strlcpy.patch
@@ -1,8 +1,6 @@
-Index: vlc-2.1.2/src/input/subtitles.c
-===================================================================
---- vlc-2.1.2.orig/src/input/subtitles.c
-+++ vlc-2.1.2/src/input/subtitles.c
-@@ -44,6 +44,12 @@
+--- a/src/input/subtitles.c
++++ b/src/input/subtitles.c
+@@ -42,6 +42,12 @@
  #include "input_internal.h"
  
  /**
@@ -12,6 +10,6 @@
 +#define strlcpy(dst, src, n) *((char* ) mempcpy(dst, src, n)) = '\0'
 +
 +/**
-  * We are not going to autodetect more subtitle files than this.
+  * The possible extensions for subtitle files we support
   */
- #define MAX_SUBTITLE_FILES 128
+ static const char *const sub_exts[] = { SLAVE_SPU_EXTENSIONS, "" };