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-graphics/xorg-lib/libxtst_1.2.3.bb b/poky/meta/recipes-graphics/xorg-lib/libxtst_1.2.3.bb
index 266bd1c..7837f69 100644
--- a/poky/meta/recipes-graphics/xorg-lib/libxtst_1.2.3.bb
+++ b/poky/meta/recipes-graphics/xorg-lib/libxtst_1.2.3.bb
@@ -19,3 +19,4 @@
 SRC_URI[md5sum] = "ef8c2c1d16a00bd95b9fdcef63b8a2ca"
 SRC_URI[sha256sum] = "4655498a1b8e844e3d6f21f3b2c4e2b571effb5fd83199d428a6ba7ea4bf5204"
 
+BBCLASSEXTEND = "native nativesdk"