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-networking/recipes-support/nis/nis.inc b/meta-openembedded/meta-networking/recipes-support/nis/nis.inc
index 200eaf7..a968af1 100644
--- a/meta-openembedded/meta-networking/recipes-support/nis/nis.inc
+++ b/meta-openembedded/meta-networking/recipes-support/nis/nis.inc
@@ -25,7 +25,7 @@
 # so force the package to be skipped here (this will cause a
 # 'nothing provides' error)
 python () {
-    os = d.getVar("TARGET_OS", True)
+    os = d.getVar("TARGET_OS")
     if os == "linux-uclibc":
         raise bb.parse.SkipRecipe("NIS functionality requires rpcsvc/yp.h, uClibC does not provide this")
 }