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/0011-invoking-dd-with-infinite-timeout.patch b/meta-openembedded/meta-python/recipes-extended/python-blivet/python3-blivet/0011-invoking-dd-with-infinite-timeout.patch
index f24ce0a..13c2933 100644
--- a/meta-openembedded/meta-python/recipes-extended/python-blivet/python3-blivet/0011-invoking-dd-with-infinite-timeout.patch
+++ b/meta-openembedded/meta-python/recipes-extended/python-blivet/python3-blivet/0011-invoking-dd-with-infinite-timeout.patch
@@ -1,4 +1,4 @@
-From a4753b3cbbd5aee59dc53eb16564cafd9862763e Mon Sep 17 00:00:00 2001
+From 21ca2b859a49e96a230d55a7866dfc7ed5d1366c Mon Sep 17 00:00:00 2001
 From: Hongxu Jia <hongxu.jia@windriver.com>
 Date: Tue, 6 Mar 2018 17:28:56 +0800
 Subject: [PATCH 11/11] invoking dd with infinite timeout
@@ -14,10 +14,10 @@
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/blivet/devices/partition.py b/blivet/devices/partition.py
-index 47ff547..0cd1614 100644
+index 623e1c9..141d8ad 100644
 --- a/blivet/devices/partition.py
 +++ b/blivet/devices/partition.py
-@@ -621,7 +621,7 @@ class PartitionDevice(StorageDevice):
+@@ -618,7 +618,7 @@ class PartitionDevice(StorageDevice):
          cmd = ["dd", "if=/dev/zero", "of=%s" % device, "bs=%d" % bs,
                 "seek=%d" % start, "count=%d" % count]
          try: