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/packagegroup.bbclass b/poky/meta/classes/packagegroup.bbclass
index d540d42..94a59e0 100644
--- a/poky/meta/classes/packagegroup.bbclass
+++ b/poky/meta/classes/packagegroup.bbclass
@@ -48,6 +48,8 @@
 deltask do_install
 deltask do_populate_sysroot
 
+INHIBIT_DEFAULT_DEPS = "1"
+
 python () {
     if bb.data.inherits_class('nativesdk', d):
         return