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/meta-openembedded/meta-python/recipes-devtools/python/python-cachetools_3.1.0.bb b/meta-openembedded/meta-python/recipes-devtools/python/python-cachetools_3.1.0.bb
new file mode 100644
index 0000000..8c12ad0
--- /dev/null
+++ b/meta-openembedded/meta-python/recipes-devtools/python/python-cachetools_3.1.0.bb
@@ -0,0 +1,2 @@
+inherit setuptools
+require python-cachetools.inc