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/recipes-devtools/git/git_2.20.1.bb b/poky/meta/recipes-devtools/git/git_2.20.1.bb
new file mode 100644
index 0000000..877fb05
--- /dev/null
+++ b/poky/meta/recipes-devtools/git/git_2.20.1.bb
@@ -0,0 +1,11 @@
+require git.inc
+
+EXTRA_OECONF += "ac_cv_snprintf_returns_bogus=no \
+                 ac_cv_fread_reads_directories=${ac_cv_fread_reads_directories=yes} \
+                 "
+EXTRA_OEMAKE += "NO_GETTEXT=1"
+
+SRC_URI[tarball.md5sum] = "7a7769e5c957364ed0aed89e6e67c254"
+SRC_URI[tarball.sha256sum] = "edc3bc1495b69179ba4e272e97eff93334a20decb1d8db6ec3c19c16417738fd"
+SRC_URI[manpages.md5sum] = "78c6e54a61a167dab5e8ae07036293ab"
+SRC_URI[manpages.sha256sum] = "e9c123463abd05e142defe44a8060ce6e9853dfd8c83b2542e38b7deac4e6d4c"