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-oe/recipes-support/freerdp/freerdp_git.bb b/meta-openembedded/meta-oe/recipes-support/freerdp/freerdp_git.bb
index 88aec9c..373c497 100644
--- a/meta-openembedded/meta-oe/recipes-support/freerdp/freerdp_git.bb
+++ b/meta-openembedded/meta-oe/recipes-support/freerdp/freerdp_git.bb
@@ -13,10 +13,10 @@
 PV = "2.0.0+gitr${SRCPV}"
 PKGV = "${GITPKGVTAG}"
 
-SRCREV = "1648deb435ad52206f7aa2afe4b4dff71d9329bc"
+# 2.0.0-rc4
+SRCREV = "e21b72c95f857817b4b32b5ef5406355c005a9e8"
 SRC_URI = "git://github.com/FreeRDP/FreeRDP.git \
     file://winpr-makecert-Build-with-install-RPATH.patch \
-    file://0001-Fix-gstreamer-1.0-detection.patch \
 "
 
 S = "${WORKDIR}/git"