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/0005-interface-remove-faulty-assert-to-make-weston-happy-.patch b/meta-raspberrypi/recipes-graphics/userland/files/0005-interface-remove-faulty-assert-to-make-weston-happy-.patch
index bbaadda..004e2eb 100644
--- a/meta-raspberrypi/recipes-graphics/userland/files/0005-interface-remove-faulty-assert-to-make-weston-happy-.patch
+++ b/meta-raspberrypi/recipes-graphics/userland/files/0005-interface-remove-faulty-assert-to-make-weston-happy-.patch
@@ -1,4 +1,4 @@
-From bd940c32878d401f311215270579ff513c2f3999 Mon Sep 17 00:00:00 2001
+From d17e5b9285635dcbe1c6e5a7398f6e5b1560a0c0 Mon Sep 17 00:00:00 2001
 From: "Yann E. MORIN" <yann.morin.1998@free.fr>
 Date: Sat, 24 Jan 2015 22:07:19 +0100
 Subject: [PATCH 05/18] interface: remove faulty assert() to make weston happy
@@ -25,5 +25,5 @@
              }
           } else {
 -- 
-2.19.1
+2.20.1