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/0015-EGL-glplatform.h-define-EGL_CAST.patch b/meta-raspberrypi/recipes-graphics/userland/files/0015-EGL-glplatform.h-define-EGL_CAST.patch
index 02cecb8..cfcc120 100644
--- a/meta-raspberrypi/recipes-graphics/userland/files/0015-EGL-glplatform.h-define-EGL_CAST.patch
+++ b/meta-raspberrypi/recipes-graphics/userland/files/0015-EGL-glplatform.h-define-EGL_CAST.patch
@@ -1,4 +1,4 @@
-From b5fa294c0d8fcb6dd5bfbfb96a0885dd9f3ae609 Mon Sep 17 00:00:00 2001
+From 3ba79e86cdec88440885fefc7aadf793b301b000 Mon Sep 17 00:00:00 2001
 From: Andrea Galbusera <gizero@gmail.com>
 Date: Fri, 14 Jul 2017 09:52:54 +0200
 Subject: [PATCH 15/18] EGL/glplatform.h: define EGL_CAST
@@ -28,5 +28,5 @@
 +
  #endif /* __eglplatform_h */
 -- 
-2.19.1
+2.20.1