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/poky/meta/recipes-bsp/u-boot/u-boot-common.inc b/poky/meta/recipes-bsp/u-boot/u-boot-common.inc
new file mode 100644
index 0000000..dcfb9cc
--- /dev/null
+++ b/poky/meta/recipes-bsp/u-boot/u-boot-common.inc
@@ -0,0 +1,15 @@
+HOMEPAGE = "http://www.denx.de/wiki/U-Boot/WebHome"
+SECTION = "bootloaders"
+DEPENDS += "flex-native bison-native"
+
+LICENSE = "GPLv2+"
+LIC_FILES_CHKSUM = "file://Licenses/README;md5=30503fd321432fc713238f582193b78e"
+PE = "1"
+
+# We use the revision in order to avoid having to fetch it from the
+# repo during parse
+SRCREV = "d3689267f92c5956e09cc7d1baa4700141662bff"
+
+SRC_URI = "git://git.denx.de/u-boot.git"
+
+S = "${WORKDIR}/git"