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-raspberrypi/recipes-graphics/userland/files/0016-Allow-multiple-wayland-compositor-state-data-per-pro.patch b/meta-raspberrypi/recipes-graphics/userland/files/0016-Allow-multiple-wayland-compositor-state-data-per-pro.patch
index 34ad90c..2d1b882 100644
--- a/meta-raspberrypi/recipes-graphics/userland/files/0016-Allow-multiple-wayland-compositor-state-data-per-pro.patch
+++ b/meta-raspberrypi/recipes-graphics/userland/files/0016-Allow-multiple-wayland-compositor-state-data-per-pro.patch
@@ -1,4 +1,4 @@
-From bff03f92c0d8bae113e0c7234c719f8385808b38 Mon Sep 17 00:00:00 2001
+From 5c53b2ff4d14b988ae9ab453fb2ef97b6a277ded Mon Sep 17 00:00:00 2001
 From: Jeff Wannamaker <jeff_wannamaker@cable.comcast.com>
 Date: Sat, 27 Jan 2018 12:28:31 -0500
 Subject: [PATCH 16/18] Allow multiple wayland compositor state data per
@@ -141,5 +141,5 @@
     CLIENT_UNLOCK();
  
 -- 
-2.19.1
+2.20.1