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/classes/extrausers.bbclass b/poky/meta/classes/extrausers.bbclass
index 7709407..32569e9 100644
--- a/poky/meta/classes/extrausers.bbclass
+++ b/poky/meta/classes/extrausers.bbclass
@@ -1,18 +1,17 @@
-# This bbclass is mainly used for image level user/group configuration.
+# This bbclass is used for image level user/group configuration.
 # Inherit this class if you want to make EXTRA_USERS_PARAMS effective.
 
 # Below is an example showing how to use this functionality.
-# INHERIT += "extrausers"
+# IMAGE_CLASSES += "extrausers"
 # EXTRA_USERS_PARAMS = "\
-# useradd -p '' tester; \
-# groupadd developers; \
-# userdel nobody; \
-# groupdel -g video; \
-# groupmod -g 1020 developers; \
-# usermod -s /bin/sh tester; \
+#     useradd -p '' tester; \
+#     groupadd developers; \
+#     userdel nobody; \
+#     groupdel -g video; \
+#     groupmod -g 1020 developers; \
+#     usermod -s /bin/sh tester; \
 # "
 
-
 inherit useradd_base
 
 PACKAGE_INSTALL_append = " ${@['', 'base-passwd shadow'][bool(d.getVar('EXTRA_USERS_PARAMS'))]}"