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-python/recipes-extended/python-blivet/python3-blivet/0004-fix-new.roots-object-is-not-iterable.patch b/meta-openembedded/meta-python/recipes-extended/python-blivet/python3-blivet/0004-fix-new.roots-object-is-not-iterable.patch
index be997ac..526a3b1 100644
--- a/meta-openembedded/meta-python/recipes-extended/python-blivet/python3-blivet/0004-fix-new.roots-object-is-not-iterable.patch
+++ b/meta-openembedded/meta-python/recipes-extended/python-blivet/python3-blivet/0004-fix-new.roots-object-is-not-iterable.patch
@@ -1,4 +1,4 @@
-From c31df1c0f5323ddc70e0d1c6d11db2fbf7a024ad Mon Sep 17 00:00:00 2001
+From 3bb8d08bdec2f79bb13c0a44b81718d26e5bdabc Mon Sep 17 00:00:00 2001
 From: Hongxu Jia <hongxu.jia@windriver.com>
 Date: Mon, 8 May 2017 16:30:20 +0800
 Subject: [PATCH 04/11] fix new.roots object is not iterable
@@ -11,10 +11,10 @@
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/blivet/blivet.py b/blivet/blivet.py
-index 3405810..f42b73b 100644
+index ea08837..91c92b2 100644
 --- a/blivet/blivet.py
 +++ b/blivet/blivet.py
-@@ -1198,7 +1198,7 @@ class Blivet(object):
+@@ -1206,7 +1206,7 @@ class Blivet(object):
              p = partition.disk.format.parted_disk.getPartitionByPath(partition.path)
              partition.parted_partition = p