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-kernel/kern-tools/kern-tools-native_git.bb b/poky/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
index b353c21..5c1d7f6 100644
--- a/poky/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
+++ b/poky/meta/recipes-kernel/kern-tools/kern-tools-native_git.bb
@@ -4,7 +4,7 @@
 
 DEPENDS = "git-native"
 
-SRCREV = "d6529f86fc5bcb3514953ff9fa2f51a3fbf03a0f"
+SRCREV = "af1a779f662c81da521e4d602f3c6446547d12a2"
 PR = "r12"
 PV = "0.2+git${SRCPV}"