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-webserver/README b/meta-openembedded/meta-webserver/README
index 4d2c710..7b60630 100644
--- a/meta-openembedded/meta-webserver/README
+++ b/meta-openembedded/meta-webserver/README
@@ -13,14 +13,14 @@
 
 URI: git://github.com/openembedded/oe-core.git
 subdirectory: meta
-branch: thud
+branch: master
 revision: HEAD
 
 For some recipes, the meta-oe layer is required:
 
 URI: git://github.com/openembedded/meta-oe.git
 subdirectory: meta-oe
-branch: thud
+branch: master
 revision: HEAD
 
 
@@ -52,9 +52,9 @@
 -----------
 
 Send patches / pull requests to openembedded-devel@lists.openembedded.org
-with '[meta-webserver][thud]' in the subject.
+with '[meta-webserver]' in the subject.
 
-Thud Maintainer: Armin Kuster <akuster808@gmail.com>
+Layer maintainer: Derek Straka <derek@asterius.io>
 
 
 License