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/files/toolchain-shar-extract.sh b/poky/meta/files/toolchain-shar-extract.sh
index 9eabd62..156085b 100644
--- a/poky/meta/files/toolchain-shar-extract.sh
+++ b/poky/meta/files/toolchain-shar-extract.sh
@@ -185,11 +185,11 @@
 
 if [ -e "$target_sdk_dir/environment-setup-@REAL_MULTIMACH_TARGET_SYS@" ]; then
 	echo "The directory \"$target_sdk_dir\" already contains a SDK for this architecture."
-	printf "If you continue, existing files will be overwritten! Proceed[y/N]? "
+	printf "If you continue, existing files will be overwritten! Proceed [y/N]? "
 
 	default_answer="n"
 else
-	printf "You are about to install the SDK to \"$target_sdk_dir\". Proceed[Y/n]? "
+	printf "You are about to install the SDK to \"$target_sdk_dir\". Proceed [Y/n]? "
 
 	default_answer="y"
 fi