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/documentation/Makefile b/poky/documentation/Makefile
index 093422f..1480e14 100644
--- a/poky/documentation/Makefile
+++ b/poky/documentation/Makefile
@@ -269,7 +269,8 @@
 	figures/sdk-devtool-add-flow.png figures/sdk-installed-extensible-sdk-directory.png \
 	figures/sdk-devtool-modify-flow.png figures/sdk-eclipse-dev-flow.png \
 	figures/sdk-devtool-upgrade-flow.png figures/bitbake-build-flow.png figures/bypqs-title.png \
-	figures/overview-manual-title.png figures/sdk-autotools-flow.png figures/sdk-makefile-flow.png
+	figures/overview-manual-title.png figures/sdk-autotools-flow.png figures/sdk-makefile-flow.png \
+	figures/bb_multiconfig_files.png figures/bitbake-title.png
 	endif
 
 MANUALS = $(DOC)/$(DOC).html